Fetal heart rate boy or girl at 13 weeks. html>zl

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Now im having 36weeks. As your approach mid-pregnancy, the average heart rates run between 120 December 2014 Birth Club. In 2nd Trimester Experiences. Nov 17, 2014 at 3:21 PM. Apr 18, 2018 · Sex differences in fetal heart rate and umbilical artery Doppler indices adjusted for fetal heart rate. Im going to be 19 weeks tomorrow. I am 13 weeks and went to my apt heartbeat was 163. Jan 7, 2016 · 4. Ethical approval has been obtained from the Health Research Dec 14, 2011 · mum2JRC · 14/12/2011 22:15. Sep 22, 2015 · February 2016 Birth Club. s. A normal fetal heart rate ranges from 120 and 180 beats per minute and can vary by 5 to 25 beats per minute. The heartbeat was a strong 174 bpm. @Username123456, Both my girls have been 160 and then dropped to 150s. sammy000. Witsberger, L. In normal, it you find more than 5 times that the fetal heart rate is less than 140 pmb in pre-natal examination, you have more chance to get a boy. angelsovic. Pregnancy. Heartbeat more than 140= girl. This lets your healthcare provider see how your baby is doing. Heart rate at 18 weeks - boy or girl? s. With my first pregnancy, the heart rate jumped anywhere between 135 to 175 and it was a boy. Hakakha adds that during the first 10 weeks of pregnancy, fetal heart rate is almost always confirmed by using an ultrasound machine, which uses soundwaves to pick up a baby's heartbeat from Jul 2, 2024 · But researchers have debunked the heart rate gender prediction theory. Ok so I made up an excuse to go to the the doctor thinking that maybee they would give me an ultrasound Fetal heart rate monitoring measures the heart rate and rhythm of your baby (fetus). " The reason a boy's heartbeat sounds like a train but a girl's sounds like a horse is, apparently, because a baby boy's heart is beating at under 140 beats per minute, while a girl's heartbeat is beating faster, at over 140 beats per minute. Boy or Girl. FitMommy23. Jan 9, 2023 · 3. b. My baby's heart rate was 172 also at 9 weeks and everyone that knows Im pregnant told me the baby will def be a girl. last week at 9 weeks 5 days, the baby's heart rate was 172 and my dr. Dec 15, 2023 · A 140 fetal heart rate or higher is still in girl territory (so the theory goes). Hi all saw ob today everything all good heard heartbeat for the first time and boy did it feel good. Seybold, S. a girl? Here’s what you need to know. vanditha30. is it girl or boy. 9 BPM. Mar 23, 2023 · A slow fetal heart rate is termed fetal bradycardia and is usually defined as 1: FHR <100 bpm before 6. Keep in mind that fetal heart rate can vary by 5 to 25 BPM and Apr 25, 2023 · First trimester fetal heart rate as a predictor of newborn sex. By 6 weeks, the embryonic heart cells will pulse about 110 times a minute. Boy or girl? d. Oct 12, 2012 · Having twin boys and both heart beats were between 165-170 at about that age. My baby's heartbeat was over 160 for the longest time and everyone kept saying it was a girl. I don't May 17, 2012 · I have 2 boys and one moer on the way and their heart rates are "girl" if you go by that ;) sorry!! 9 weeks-170 13 weeks- 160 15 weeks- 143 Having a boy. FHR around 170 bpm may be classified as borderline fetal tachycardia. & I seen midwife 4 my 16 week check to day baby's heart beat was 140 x Jan 25, 2023 · Hey mamas! First time mama here! Just got an ultrasound today at 8 weeks and 5 days. Posted 02-06-14. A normal fetal heart rate ranges from 110 to 160 beats per minute and can Nov 10, 2022 · Ring test: To try this old favorite, a woman ties her wedding band to a string and hangs it over her pregnant belly to guess the baby's gender. Heart rate. It’s a joy to possibly catch a glimpse of your little one kicking or waving their tiny arms! Heart: A crucial part of the check is listening to the fetal heartbeat and observing the blood flow. Posted 06-29-12. A fetal heart rate is Jun 2, 2014 · 156 bpm heart beat in 13week. I just went to the doctor today so they could check the heartbeat and Oct 14, 2019 · Maddy had the answer: "Boy = train. ”. Generally it's a galloping horse 140+ for a baby girl, a slow chugging train 118-140 for a boy. Hey! I’m 13 weeks 2 days and today I had my appointment and we were able to hear the baby’s heart rate it was 150 which the nurse said it was normal, with my son his heart beat was always higher so I was a really surprise about 150. Posted 27-12-18. Aug 11, 2017 · Fetal Heart Rate 148 at 15 weeks. My daughters was 177 at 9 weeks. The heart rate of your baby fluctuates as they grow and as they move. A 2018 study of nearly 10,000 pregnancies found that while the baseline fetal heart rate of girls was higher than for boys, the differences were small. Boy or girl? m. The few times we check the HR on my lil peanut it was between 147-151 and its a girl :-) J. 0. My 7 weeks sonography is showing me fetal heart beats is 161 per min can i recognize that its a baby boy or girl Asked by: srinivasvenkataiah This site is best viewed while logged in. Mandeville added it’s still neat to have some lighthearted fun. d. A fetus’s heart will start beating at approximately 6 weeks of pregnancy. Baby Sex Prediction Myth #2: Rhythm of the Heart. A rapid fetal heart rate is termed a fetal tachycardia and is usually defined as: FHR >160-180 bpm 5,7. Being a mom. I had someone tell me it was a boys heart rate I had the harmony blood test done for gender and genetics. At my 15 week appointment the heart rate was 150, and I found out later that day at an elective ultrasound that's it's a girl! My girls were around 150 and this baby who is a boy Posted 03-12-13 I don't think so as I hade my gender scan today I'm having a little girl. All basic knowledge about fetal h Apr 27, 2010 · In one study, researchers used ultrasound to measure fetal heart rate in 477 fetuses before 14 weeks of pregnancy. a. Heartbeat 164 BPM at 11 weeks and 2 days. Mrsjuliewulie. I would be thrilled, I want a lil girl so bad. Dec 12, 2023 · Your 12-week ultrasound is meant to assess your baby's development at the end of the first trimester of your pregnancy. Heart rate was Jun 17, 2001 · So I had my first ultrasound when I was 8 weeks pregnant. ? 0. Is that boy or girl | BabyCenter. Apr 26, 2015 at 8:27 AM. It is more accurate during the last few weeks of term & labour itself, both my girls had heartrates throughout pregnancy of 140-160 (there are exceptions to the rule though as baby's heartrate will raise/fall along Apr 2, 2024 · Baby Sex Prediction Myth #1: Carrying Low. Feb 20, 2012 · Anonymous. Fetal heart rate. 19 The Heart rate at 17 weeks 145 Boy or Girl. 3 weeks gestation, or. girl, you can find Oct 1, 2017 · Add a comment. The heart is made up of four chambers – two at the top called atria and two at the bottom called ventricles. The average heart rate of girls was 151. 9 bpm The answer depends on which prenatal tests or screenings you undergo. Reviewed by Shannon Smith, M. LGBTQ+. Journal of Maternal-Fetal and Neonatal Medicine 29(5): 803-6. juhneen. Nov 16, 2009 · I'm 14 weeks along, and the heart rate is 160. She said that it's true but only during the last weeks of pregnancy. Baby Sex Nov 11, 2022 · Girl: If your baby’s fetal heart rate is above 140 beats per minute (bpm), you're having a girl. 5 weeks it was 163 at 12 weeks 156. D. But there’s a range here too, anything below 100 in the first 6 to 8 weeks of gestation —especially below 90 bpm —increases the chance of pregnancy loss . We started with a precise definition of “normality” and performed a retrospective computerized analysis of Objective: To predict the sex of newborns using first trimester fetal heart rate (FHR). Rincon, A. This, being my second pregnancy, the heart rate is between 150-160. and it seems fun when everyone try to guess baby's gender by the bmp. Higher than 140, it May 24, 2016 · December 2016 Birth Club. The average fetal heart rate is between 110 and 160 beats per minute. Jun 28, 2024 · One such research conducted in August 2023 concluded that the first trimester fetal heart rate is not a reliable marker for fetal sex determination [ 11 ]. Have had little to no symptoms… heart rate is 156 let me know your opinion! Or am I crazy lol Jun 10, 2023 · Dr. One of the most universal myths about gender revolves around your baby’s heart rate. Posted 01-03-18. suriprasad. Hello, just wondering if everyone would be willing to share their baby’s heart rate at 8 weeks or close to. Is my baby gender boy or girl? If fetal heart beat at 9 weeks is 170bpm does that increase chances of it being a girl? Heart beat can predict boy or girl? Is it true that if your baby heart beat is over 140 it's a girl ? Under its a boy ? At 5 weeks, your baby's heart rate is about the same as yours, around 80 to 85 bpm. Early ultrasound examinations, to confirm the gestational age, are done in all participants. It will then rise and peak around the 9th and 10th week, to 170 bpm. Jan 26, 2018 · In 1st Pregnancy. But researchers have debunked this heart rate gender prediction theory. 1 weeks, 155. Pregnancy Week 41. So it is better to consider these only as fun distractions. Nov 2, 2012 · Nov 2, 2012 at 6:03 AM. I seen alot of posts here on baby's heart rate bmp. The Reality. Posted 09-22-15. At 20 was around 150-153. Current international guidelines recommend for the normal fetal heart rate (FHR) baseline different ranges of 110 to 150 beats per minute (bpm) or 110 to 160 bpm. 7 BPM. Now that I'm 19 weeks, heart rate is between 140-150. Women with healthy, uncomplicated pregnancies can typically find out their baby’s sex sometime around 20 weeks, during their level 2 ultrasound or anatomy scan. While the baby’s heartbeat may not clue you in on boy vs. Some specific parts your provider will examine are the fetal: Heart. 0 weeks. However, you may hear it a little earlier or later. Then if people can pop back on once gender is known and we can see if there is any truth to the old wives tale and gender! My baby’s heart rate at 8 weeks was 150bpm I don’t remember my previous 3 babies and The accuracy of US before 14 weeks gestation in identifying the sex of the fetus is poor . You can opt to get the news a little earlier — possibly as soon as 9 weeks — if your provider has recommended Nov 17, 2014 · Nov 17, 2014 at 3:20 PM. lolomariee. Like 3rd trimester. I’ve just had my 16 week appointment and she listened to the baby’s heart rate which was 147bpm. Nov 22, 2015 · We are having a baby BOY! At 16 weeks our baby boys heart rate was between 140-150! Our baby boys hb has been between 155 and 175! At 7. Heart rate was 143 at 16 weeks. V. Today I am 14 weeks 3 days. Aug 9, 2018 · The gestational age dependence of baseline FHR and variability has been described before. Comment. Nov 5, 2018 · 3. The baby’s heart rate also changes throughout the pregnancy with higher heart rates noted at the beginning of pregnancy. @laurenh143, At 13 weeks mine was 157. At 13weeks and 4 days my doctor checked baby's heart rate and it was 169any guesses?little prince or a little The heart rate was 175, does that mean boy or girl? 5. Listen closely the next time your doctor listens to the baby’s heartbeat. And what’s Aug 7, 2015 · Gestational age at 13. spmahony. Fetal heart rate peaks at 9 weeks and will gradually decrease over your pregnancy, averaging 110 to 160 BPM. Posted 05-24-16. Male babies had heart rates averaging at 154. Your baby's intestines are also in for some big changes. 20/02/2012 at 10:30 am. Oct 12, 2012 at 8:24 PM. We started with a precise definition of "normality" and performed a retrospective computerized analysis of electronically Jan 6, 2021 · Jan 6, 2021 at 1:22 PM. Jul 15, 2017 · 12 weeks First prenatal visit heartbeat at 160 Boy or Girl?? k. . There is a prevailing belief in the general population that the female fetus has a more rapid heart rate than the male fetus. Posted 11-16-09 Oct 22, 2019 · In another study, a female fetus' heartbeat was different in labor as compared to a male heartbeat. Baby Sex Prediction Myth #3: the Ring Test. Fetal heart rate: The rate of the heartbeat does not give any information about the gender of a fetus. A. Ultrasound (often called sonography, since it relies on sound waves) is a non-invasive, low-risk imaging Jun 4, 2013 · Aim. Check when the fetal heart rate is relatively stable. Posted 08-14-10. Bracero, D. 156 bpm heart beat in 13week. By 6 weeks, it has increased to about 110 bpm. Doyou think that has anything to really do with gender perdiction? early guess at 13 week ultrasound is Girl j. It can vary by 5 to 25 beats per minute. Pregnancy Week 40. The ventricles are the pumping chambers of the heart. Had an ultrasound earlier and it's 175, a baby boy! What's considered a normal fetal heart Mar 23, 2023 · A slow fetal heart rate is termed fetal bradycardia and is usually defined as 1: FHR <100 bpm before 6. Created for people with ongoing healthcare needs but benefits everyone. Well, DNA says it's a boy lol. Those with more than 140 pmb indicates girls. jasmine910. Mar 16, 2021 · An average fetal heart rate ranges from 110 to 160 beats per minute (bpm) and changes when the baby is active. Today I had my prenatal appointment and was able to hear the heartbeat for the very first time!!! (coolest experience ever). We are having a boy! 144 bpm at 19+0 and it's a girl! My baby girls HB has been in the 150s for weeks. The nub expert people said I was having a boy judging by my scan, and I have a feeling it’s a boy. Methods: This was a retrospective review of medical records and ultrasounds performed between 8 and 13 weeks Health 360°. 7 bpm, while for boys it was 154. Baby's Heartrate 157. Brain, neck and spine. Hey everyone. Aug 3, 2020 · Take a peek at this fetal heart rate chart to get an idea of how it changes week to week: Once baby is born, he/she will maintain the 120-160 bpm average range for the first few hours, but after that: The neonate (first 28 days of life): 100-165 bpm while awake and 90-160 bpm while asleep ( source) 1-2 months: 100-150 bpm while awake and 90-160 Jun 18, 2024 · Your baby’s heart continues to develop during pregnancy. Nao Medical's Women's Health specialists offer expert care and advice. My baby's heart rate was 164 at week 8 and Wiggles: Babies start to move quite early, and by 13 weeks, those movements might be visible during the ultrasound. 8 weeks, fetal heart beat 165& at 18. That's about twice as fast as yours! By week 9 or 10, the rate will hover around 170 beats per minute — and then slow from here on out. Jan 22, 2021 · More specifically, heart rate was measured for both sexes at approximately 9 weeks. I keep being told "it's a girl because it has a fast heartbeat!" Sep 14, 2020 · If your child’s fetal heart rate is below 140 bpm (beats per minute), that’s one of the signs of having a baby boy. By 9 to 10 weeks, it has increased to about 170 bpm. Is it boy or girl. At 7. Jul 2, 2015 at 6:12 AM. Aug 26, 2022 · Normal fetal heart rate. Munkeroo. Although your baby’s heartbeat was higher during week 9, it typically declines to around 150 bpm by week 14. f. In just two more weeks, the fetal heart system will contract at a pace of around 150 to 170 times a minute. Baby Sex Prediction Myth #4: The Drano Test. I talked to the nurse practitioner at my OB office (who was an L&D nurse for 18 years) about the hr theory. FHR <120 bpm between 6. l. If the beats per minute are under 140, the baby is supposed to be a boy. The heart rate was often higher in 2nd trimester but settled to the rate above in the 3rd. Pregnancy Week 39. At 17 weeks (during anatomy/gender scan), she was 142 and he was 148. JessBR. Females had heart rates averaging at 151. Like. I am 17 weeks pregnant and have heard you can tell the sex of the baby when the heartbeat is a certain number. The myth goes that 140 or lower its a boy & higher then 140 it's a girl, but it's been disproven. This method of gender prediction might be particularly enticing for parents-to-be because it implies you can learn the fetal gender very early in the pregnancy Boy or Girl - HR 165 at 12 Weeks. 5 weeks, they were both around 165. Faster fetal heart rate: myth. Written informed consent to record FHR is part of the consent for the main study. The heart beat was still sitting pretty at 175 bpm ️. I just wondered if anyone else who knows what sex they’re having has compared it to the heart rate? The normal fetal heart rate is between 120 and 160 beats per minute. May 30, 2023 · Learn about fetal heart rate at 20 weeks and whether it can predict your baby's gender. And a low bpm for a boy is considered anything below that: think a 138 fetal heart rate. Fetal heart rate monitoring measures the heart rate and rhythm of your baby (fetus). @mo_celis, When you get closer to around 20 weeks that's when the baby's heartbeat gets to a normal speed. Monkeymaster123. At 13 weeks, they were both around 170. Baxi, the authors studied medical files and ultrasounds of 655 women 8-13 weeks pregnant to compare first-trimester fetal heart rates with newborn sex at Nov 24, 2017 · It's really an old wives tale. v. "girl," it's important to note which typically happens in weeks 11-13 of Jun 24, 2024 · CVS is available between weeks 10 and 13 is carrying a boy or a girl. I have read how this means nothing at all, and I do believe that it's by far a guarantee, but I can't help but to believe there is a bit of a truth to what she says. Aug 14, 2010 · 172 HR- Think baby is a boy or girl? catbruce. told me that sometimes that means its a girl. With an at-home fetal doppler device, most women can pick up a heartbeat around 12 weeks. These Jul 25, 2023 · Is baby's heart rate around 140 beats per minute? While this article uses the terms "gender" and "boy" vs. babyhinsley2015. M. I've heard that if it's less than 140 it's a boy & if it's 140+ it's a girl. Posted 22-10-18. A normal heart rate for a fetus ranges from 110 to 160 bpm, and other factors like gestational age and your baby’s activity level may Sep 14, 2020 · In “First trimester fetal heart rate as a predictor of newborn sex” published by L. I went to the doctor a couple days ago and my baby's heart was beating 150 times per minute. At 10 weeks Sep 29, 2023 · Early in your pregnancy, the babies’ heartbeats will start slow, averaging about 110 BPM. gov/25754210/ Opens a new window [Accessed April 2023] Jun 4, 2013 · Aim. I already found out Im,having a girl. Because he can move them in a jerky fashion, he may be able to get his thumb into his mouth soon — a habit that may come in handy for self-soothing when he's a newborn. Fetal heart rate monitoring is obviously stable in the late pregnancy, that is, more than 7 Mar 18, 2016 · So I had my nipt done at 9 weeks and it said female (fetal fraction 4%) but I’m totally convinced im having a boy. When I was in labour with my first the midwife thought boy as heartrate about 130 and she was correct! 2nd time round it was slightly higher but resting heart rate just under 140 and a boy again. Jul 22, 2017 · Pregnancy Week 38. Jul 24, 2023 · They concluded that a fetus’ heart rate was not an indication of its sex. Apr 6, 2015 at 10:07 PM. @fabymommy, It actually is a predictor once you're so far alone, boys hearts rates are slower & that's a fact. According to some, a rapid rate of more than 140 beats per minute means you’re Oct 3, 2016 · Part of the antenatal assessment is to record the FHR for at least 30 minutes at 20 to 24 weeks gestation. My baby's is always around 150 is this a boy or…. J. Following this, the heartbeat becomes normal and stabilizes between 120 and 160bpm during the second and third trimesters. hello! I had my first ultrasound today and I'm close to nine weeks and the baby's heart beat was at 175 I was wondering if anyone knows if I'm having a boy or a girl, or you cannot tell from the heartbeats? i have two daughters and this is my third pregnancy. Gestational age-related sex differences in the mean values for umbilical artery (UA) pulsatility index (top left), resistance index (top right), systolic/diastolic ratio (bottom left), all adjusted for fetal heart rate, and fetal heart rate (bottom right) during the second half of pregnancy. . nlm. Girl = horse. https://pubmed. Sep 14, 2020 · According to this gender prediction method, you can differentiate a baby boy from a baby girl in the womb by measuring a baby’s fetal heart rate using a baby heartbeat monitor. Apr 7, 2015 · He was explaining that the heart rate is at its peak around 9 weeks and will go down once all 4 chambers of the heart are there. Are there pregnancy signs to look out for to know if you’re having a boy vs. Dr. ncbi. Predicting a baby’s gender has a 50% chance of coming true, so it is good to bet on horses, but not on baby names. Myths: There are many circulating myths about predicting fetal gender. If your child’s fetal heart rate is above 140 bpm, that’s one of the signs of a baby girl. Posted 01-14-12. My baby heart beat is 148. CarBar4. Aug 11, 2017 at 6:42 AM. The evidence shows there is no difference in the average of female or male fetal heart rates. The Jul 27, 2021 · Several studies have been done regarding fetal heart rate. If the ring swings back and forth, the baby is Mar 23, 2023 · A slow fetal heart rate is termed fetal bradycardia and is usually defined as 1: FHR <100 bpm before 6. Sep 6, 2012 · Its true with my first the heart rate was about 163 and higher which was a girl who is 5 now and with my second the heart rate was 139 which was a boy who is a terrible 2 right now, I am currently Jul 22, 2014 · I went for an appt. Dec 8, 2021 · By 9 weeks, your baby’s heartbeat will be around 170 bpm. GisM17. At 12 weeks 6days our heartbeat was 146. Posted 03-11-15. The rationale for this heart rate-gender distinction is a bit fuzzy, but one hypothesis arose from studies about a baby’s eating Nov 3, 2015 · heart beat 148. The scan also looks for signs of specific congenital disabilities or structural issues with certain organs. My baby has had a heart rate of 140s the last two appointmentsThe first one was 167The second one was 146This last one was 141She’s a girl. Apr 26, 2015 · HR can vary in the course of an hour from 130-170+. What's considered a normal fetal heart rate – and how this changes by week. I read somewhere that the heartbeat thing becomes more reliable later on in the pregnancy. Pregnancy Week 42. , FACOG, ob-gyn. This video demonstates 2 live fetal heart beats ultrasounds and many beating fetal hearts at different weeks of pregnancy. I'm pregnant with boy/girl twins. Is that boy or girl. Heartbeat 150-160 Girl or Boy 13 weeks . Her heart rate was 158 at 12 weeks. We are 100% having a girl and at 19 weeks her heart rate was 146at 12 weeks it was 170. comment. Heart rates start out slower, and then by 8-10 weeks run in the range of 170-200 BPM (beats per minute). It's probably not much lower now at 3 with how she's always bouncing off the walls 24/7, but she's definitely healthy ;) Feb 10, 2016 · So I guess girl. I'm having a boy and his heart rate states in between 160 and 170 look Mar 18, 2001 · Heartbeat 175 9 weeks pregnant, boy or girl ? g. Heart rate was a perfect 145 so i wonder if that can mean boh or girl xxxx. Jul 2, 2015 · sammiesam7. nih. Getting pregnant. We found one website that encourages prospective parents to use fetal heart rate (FHR) to predict the sex of newborns . Baby looked great and had a strong heart beat of 164 bpm! I know there’s a wives tale that says the faster heart rate indicate a girl and slower indicate a boy. Typically, an abnormally fast heart rate is over 200 beats per minute. m. A review Opens a new window of 223 articles on the topic concluded that any sex-related difference in fetal heart rate is minimal and, if anything, shows boys with a faster fetal heart rate than girls. 3 and 7. Apr 1, 2022 · A 20-week ultrasound takes measurements of your fetal organs and body parts to make sure the fetus is growing appropriately. You're probably having a male. Modak, and L. Up until then it is really high and slows down steadily up until that point! When I was 8w my baby's heartbeat was at 178 bpm now I am 11\275w and its down to 168 bpm. Dec 10, 2018 · Pregnancy Week 41. My midwife thinks my baby is possibly a girl because the heart rate is over 140. Mar 7, 2018 · She fluctuates between 135-140 normally. Posted 08-04-14. 7, 13, 18 A previous report explored the effect of time of day, gestational age, baseline fetal, and maternal heart rate as well as fetal sex on FHR variability as assessed by the root mean square of successive differences of fetal R-R interval. n. There is no consensus about the normal fetal heart rate. I'll be 16 weeks (4 months) on Monday. Boy: If your baby’s heartbeat is less than 140 bpm, then it’s a sign you’re having a boy. The fetal heart rate is between 90 and 110bpm in early pregnancy (6). Oct 5, 2023 · At 13 weeks pregnant, tiny bones are beginning to form in his arms and legs. At week 12, the fetus's organs and body systems are formed, and you may actually be seeing your baby for the first time. In 2016, a study looked at 332 female and 323 male fetal heart rates recorded during the first trimester. Heartbeat less than140= boy. 147 heartrate. diazz2. My babies was 175 & my doctor said shed almost bet money it's a girl. Jan 19, 2018 · At our first appointment (8 weeks) baby’s heart rate was 168 and we thought we for sure were having a girl then at the second appointment (12 weeks) it was down to 142 and baby showed us he was a boy then at the third appointment (16 weeks) it was still at 140s and baby once again showed us he was a boy. Your healthcare provider may do fetal heart monitoring during late pregnancy and labor. Nov 2, 2012 at 6:10 AM. That would require an ultrasound analysis. By week 9, this rate increases to 150 to 170 BPM, or about twice as fast as yours. eh jt sh vl zl xq pu ns eq qz