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Doctor insights on: Pregnancy And Gender Prediction

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Dr. Mark Ingerman
4 doctors shared insights

Pregnancy (Definition)

When your due date arrives, you will be more than ready to have your baby! Most women deliver the baby somewhere between 37 and 42 weeks. According to the American College of Obstetricians and Gynecologists, only 5% of babies arrive on the exact due date. Approximately 7% of babies are not delivered by 42 weeks, and when that happens, it is referred to ...Read more


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How accurate are clearblue digital pregnancy test with conception calculator?

How accurate are clearblue digital pregnancy test with conception calculator?

Positive test: They are accurate to determine if you are pregnant or not but not very accurate to give you the date of conception. ...Read more

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How accurate are early sonograms to date a pregnancy?

How accurate are early sonograms to date a pregnancy?

Ultrasound dating: All due dates are estimates and OB providers typically use the due date calculated from the last normal period to determine a woman's due date. An early ultrasound done between 6 and 9 weeks of pregnancy is considered to be accurate to within 5 days of a due date. If this ultrasound differs by more than 5 days from the period due date then the ultrasound due date is used. ...Read more

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Is the chinese baby gender predictor chart accurate?

Is the chinese baby gender predictor chart accurate?

The odd is ~50/50 : There isn't a sure way to get pregnant with a boy or a girl based on day the week to have relation--there are some anecdotal report to suggest certain time of day favors girl vs boy pregnancy, but no conclusive research. The only sure way is to determine genetically is via insemination etc..Otherwise, your chance is just about 50/50 naturally--same as flipping a coin for head or tail. Good luck. ...Read more

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Can longer implantation time affect dating ultrasounds in early pregnancy?Can it affect growth estimates in early pregnancy and date you behind?

Can longer implantation time affect dating ultrasounds in early pregnancy?Can it affect growth estimates in early pregnancy and date you behind?

"Dating" a fetus: The "dating" refers to the gestational age of the developing fetus not a social romantic encounter. Ultrasounds are only accurate plus or minus 2 weeks gestation unless done serially.(more than one). 'That is why OB MD's use multiple parameters to date pregnancies including LMP(last period), pelvic exam uterine size, etc. "Dating" is an inexact science in life and medicine. ...Read more

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How accurate are the doctors measurements of the baby to determine baby weeks, due date, conception, ovulation etc...

How accurate are the doctors measurements of the baby to determine baby weeks, due date, conception, ovulation etc...

Pregnancy dating: I assume you are talking about ultrasound measurements. The accuracy depends on when the ultrasound is performed-- an early ultrasound (8-10 weeks) is accurate to within a few days. Later ultrasounds are much less accurate and may have a margin of error of up to 3 weeks in the late 3rd trimester. ...Read more

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Can an irregular menstrual cycle affect the accuracy of home pregnancy tests?

Can an irregular menstrual cycle affect the accuracy of home pregnancy tests?

No: With an irregular cycle it is more difficult to figure out the best time to do the test, but the test itself remains very accurate. ...Read more

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Is there any home method to check pregnancy ? Except missed periods ,pregnancy test kit and ultrasound

Is there any home method to check pregnancy ? Except missed periods ,pregnancy test kit and ultrasound

Tincture of time: The only other method that you haven't mentioned is time itself. "Whatever you do in the dark will come to the light eventually" is the applicable adage for that situation. ...Read more

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IVF test is positive for pregnancy after one PGS tested embryo transfer, what are the odds of the pregnancy going to term with a gestational carrier?

IVF  test is positive for pregnancy after one PGS tested embryo transfer, what are the odds of the pregnancy going to term with a gestational carrier?

IVF: Congratulations on getting pregnant. Now the journey begins. It is important to find an Obgyn once you are released from the fertility specialist usually in the late first trimester. IVF pregnancies are at greater risk for preterm labor as you mentioned but also many other things. Prenatal care is important to help care for you and your baby ...Read more

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How accurate are the doctors measurements of the baby to determine baby weeks, due date, conception, ovulation etc.?

How accurate are the doctors measurements of the baby to determine baby weeks, due date, conception, ovulation etc.?

Depends on variables: Early projections are based on a woman's history which can be inaccurate.Later data derived from an ultrasound and or other measures tend to be more consistent. Late gestation ultrasounds can either confirm or adjust projected dates. ...Read more

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How accurate are the doctors measurements of the baby to determine baby weeks, due date, conception, ovulation etc...?

How accurate are the doctors measurements of the baby to determine baby weeks, due date, conception, ovulation etc...?

Depends on variables: Early projections are based on a woman's history which can be inaccurate.Later data derived from an ultrasound and or other measures tend to be more consistent. Late gestation ultrasounds can either confirm or adjust projected dates. ...Read more

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Can prog. and estro. hormones change a suggestive unviable pregnancy at 5wk6days ultrasound? And why does pregnancy test still show positive?

Can prog. and estro. hormones change a suggestive unviable pregnancy at 5wk6days ultrasound? And why does pregnancy test still show positive?

No genetics do: Unfortunately, genetic incompatibility is the most common reason for miscarriages. There are two types of miscarriages, 1.) An Incomplete Abortion whereby the products of conception are ejected with bleeding immediately. 2.) Missed Abortion where the pregnancy is still present in the uterus, stops growing, the products are not "ejected"and the HCG hormone output stagnates or declines in value. ...Read more

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How accurate are period and ovulation calenders?

How accurate are period and ovulation calenders?

Pretty good: These methods. Including basal body temperature, as well as the calendar/ rhythm method and cervical mucus checks, have been used successfully for number of years. Far earlier than the advent of over-the-counter devices. However, the urine pregnancy test is extremely sensitive and specific for pregnancy. ...Read more

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How accurate are the new clear blue weeks estimator pregnancy tests?

How accurate are the new clear blue weeks estimator pregnancy tests?

Accurate for HCG: Clear plan is a good product for detecting the HCG hormone. These tests do not guarantee anything, however . You need to be seen by a provider and get checked out. ...Read more

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Are 30+ week ultrasound measurements accurate to date a pregnancy?

Are 30+ week ultrasound measurements accurate to date a pregnancy?

Not exactly: while an ultrasound in the third trimester can give you an idea based on size of the fetus, they are only accurate +/- 3 weeks. If the fetus is having growth restriction or is large for age, they will be off. If there is a fluid problem, they will be off. The best time in a pregnancy to obtain dating via ultrasound is the first trimester. Good luck! ...Read more

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Prognosis (Definition)

The prognosis is the predicted outcome or "forecast" for a disease or process. It is only an estimate but is likely based on past experience or data taking into account the individual's overall health status. It may suggest progression of disease ...Read more