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Doctor insights on: Date Of Ovulation And Conception

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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

Dr. Philip Chenette
1,782 doctors shared insights

Ovulation (Definition)

Ovulation is the act of the ovary releasing the egg after it has been hormonally prepared, to be ...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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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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My ovulation date and conception date is june 3rd and my implantation date was june 13th...Does that mean i had sex on the 3rd and got pregnant?

My ovulation date and conception date is june 3rd and my implantation date was june 13th...Does that mean i had sex on the 3rd and got pregnant?

Did you?: You know better than anyone in the world whether or not you had sex on the 3rd. It sound likely that's when conception was. The implantation date is not precisely determined, just a guess, and should not be considered reliable. ...Read more

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Are conception and implantation interchangeable? Trying to narrow down conception/ovulation dates. Help me better understand?

Are conception and implantation interchangeable? Trying to narrow down conception/ovulation dates. Help me better understand?

Not the same: Conception occurs when a sperm enters the egg. This usually occurs in the fallopian tube. After that, the fertilized egg begins to divide, creating more an more cells. During this time, the fallopian tube transports the embryo to the uterus. 5-6 days after conception, the nest of cells burrows into the uterine wall. This is implantation. Best wishes! ...Read more

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How to calculate due date from conception and ovulation test?

How to calculate due date from conception and ovulation test?

Your OB can: Show you on an OB wheel you are due 38 weeks from your conception date if you were having 28 day cycles. ...Read more

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If you ovulate late would this affect ur due date instead of working out conception from lmp?

If you ovulate late would this affect ur due date instead of  working out conception from lmp?

Yes: The due date is calculated from the lmp based upon a 28 day cycle. For each day your cycle is longer than 28 days, you should add a day to the expected due date. For example, if you had a 32 day cycle, that would be four days longer than 28 and you would add 4 days to the due date predicted from your cycle. We normally calculate a due date from the lmp by subtracting 3 months and adding 7 days. ...Read more

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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