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Doctor insights on: Sex Of Baby By Conception Date

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Conception (Definition)

Conception is the union of an egg and sperm to form a zygote. The zygote is what ...Read more


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If my due date is nov22nd conception date march1st and ovulation february 22nd what's an estimate date of when sexual intercourse took place?

If my due date is nov22nd conception date march1st and ovulation february 22nd what's an estimate date of when sexual intercourse took place?

No telling: Sperm live inside the female reproductive tract for up to 7 or more days; however, when trying to get pregnant you should not count on sperm more than 2-3 days. The egg is only viable for about 12-24 hours after ovulation. Therefore, conception is rare if sex occurs after ovulation. I hope this info helps you understand how your conception may have occurred. Best wishes. ...Read more

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How is conception date calculated by first trimester ultrasound?

How is conception date calculated by first trimester ultrasound?

Measurements: US uses measurements of the gestational sac and then the growing fetus to date a pregnancy. The appearance of the heart beat. Usually measurements are compared to standards for various parts of the pregnancy and a date assigned. ...Read more

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Due date by ultrasound is june 16th! what's my range of conception dates?

Due date by ultrasound is june 16th! what's my range of conception dates?

June: You are just shy of 14 weeks today (12/15). Assuming you got the sono a few days ago, the due date should be within 1 week of the actual conception. You could expect to deliver pretty much any time in june but most likely within 7-10 days around the middle of the month. That assumes you carry to term. ...Read more

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Is a date of conception calculator by due date suggested?

Is a date of conception calculator by due date suggested?

For OB MD: A due date calculator is very helpful for your doctor, but is a source of confusion for most patients. Without a detailed explanation, it is rather useless for most people. This web site has a fairly good explaination........ http://www.duedatecalculator.org/. ...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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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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What is a conception date calculator by due date for?

An estimate: A due date calculator is very helpful for your doctor, but is a source of confusion for most patients. Without a detailed explanation, it is rather useless for most people. This web site has a fairly good explaination........ http://www.duedatecalculator.org/. ...Read more

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Why don?T they calculate due date by day of conception?

Why don?T they calculate due date by day of conception?

Unsure: Because the majority of women do not know when they conceived; many can give a good report of when their last period was. ...Read more

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Is a date of conception due date calculator recommended?

U can: Ask your OB he or she can figure it out based on how often your periods are and when u are due. ...Read more

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When calculating the gestational age in IVF pregnancy, should we calculate from LMP or from day of embryo transfer?

When calculating the gestational age in IVF pregnancy,  should we calculate from LMP or from day of embryo transfer?

Neither: the transferred embryo is already developed to a certain stage which your IVF facility can tell you. your LMP is very inexact and is just a guideline in non-IVF pregnancies. the date of conception is actually around day 14 of your cycle in a natural cycle and prior to the date of transfer in IVF. ...Read more

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Is a due date calculator from date of conception recommended?

Your OB: Should be able to give you a due date by figuring it out on the pregnancy wheel and confirming that with an ultrasound, if you only had intercourse one time then it is 38 weeks after that intercourse, I am sure if you ask your OB , your OB can give u a wheel, i give them out all the time, we all get them for free. ...Read more

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5wk 4 day ultrasound vaginally, given the due date january 15th. Is that due date accurate? Given conceiving date 4-19/ 4-25.

5wk 4 day ultrasound vaginally, given the due date january 15th. Is that due date accurate?  Given conceiving date 4-19/ 4-25.

Yes: Those numbers sound fine. Life is not exact, so all numbers are estimates. Those numbers match up fine. Most babies are not born exactly on their due dates. ...Read more