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Doctor insights on: Conception Date Vs Implantation Date

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I had implantation bleeding january 3rd can you tell conception date based on that date?

I had implantation bleeding january 3rd can you tell conception date based on that date?

No, not really: Get set up with your doc, they will probably do a scan to establish your due date, the go from there by subtracting 2 weeks from the gestational age. Or, if accurate about 2 weeks from the first day of ur last period. ...Read more

Implantation (Definition)

One common meaning refers to the process by which an embryo attaches to the uterus of a woman so that she is pregnant. Many think of it as 'sticking.' implantation in humans always occurs when the embryo is between 6-7 days old. A very popular concept on the internet now in 2012, 'implantation bleeding, ' is speculative ...Read more


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My delivery date is october first.I don't know what my date of conception is. Does conception occur after implantation?Is conception the last step?

My delivery date is october first.I don't know what my date of conception is. Does conception occur after implantation?Is conception the last step?

Conception is 1st: If your estimated date of delivery was determined to be October 1st (plus or minus 7 days) and was confirmed by early pregnancy sonograms, your estimated date of conception/fertilization was probably about Jan. 7th (plus or minus 3 days) and implantation of a fertilized egg/developing embryo into your uterus may have subsequently occurred about 7 to 10 d. later ( between Jan. 14 and Jan. 17) . ...Read more

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My LMP ga is 5 weeks 4 days and my ga is 4 weeks 6 days. Is my ga based on the date of conception or implantation? Sonographer said implant is this right?

My LMP ga is 5 weeks 4 days and my ga is 4 weeks 6 days. Is my ga based on the date of conception or implantation? Sonographer said implant is this right?

No no no no: Absolutely not. Ga is always dated from either a lmp or a theoretical lmp. No one ever dates pregnancy based on 'implantation' or conception. The monographer is wrong and really shouldn't be giving medical advise unless he/she is a physician too. ...Read more

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Due 08, 29, 2013, conception date range?

Due 08, 29, 2013, conception date range?

Around december 6: If your due date is 8/29 you probably ovulated around 12/6. There are due date calculators and pregnancy wheels that you find on the internet that can help you find out. ...Read more

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Hi dox i'm due august 30th wondering my conception date?

Hi dox i'm due august 30th wondering my conception date?

What u do: Is get a calendar and subtract 38 weeks. That was around the time of conception. Sperm lives up to 7 days so conception does not happen the day of the intercourse which caused the conception. Good luck and congradulation's. ...Read more

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How do doctors determine the conception date?

How do doctors determine the conception date?

Two weeks after last: The date of conception is approximately 2 weeks after the first day of the last menstral period. It is also approximately 38 weeks or 266 days before the due date. ...Read more

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My due date is 3/20/14 when was my conception date?

June 2013: Your conception date would have been about 6/27/13. Certainly this could be off a week or so depending on how regular your periods are and how early in the pregnancy you had a dating ultrasound - the earlier it is the more accurate. ...Read more

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My due date is june 18th what was my conception date?

This is an approx: Likely around September 26, 2015. However this is not exact. ...Read more

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If my due date is 1/28/13 when was my conception date?

How many times ahve : You asked about your conception date, please ask all future questions to your OB doc since I am sure u must have one since u are 28 weeks gestation now , and I have already answered your question at least 2 or 3 other times and u keep changing the dates , it is tyour ob's job to tell u when u are due, so call or see your OB tomorrow to discuss this just like I do with all of my patients. ...Read more

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What is the earliest conception date with a 35 day cycle?

12-14 days before mb: You most fertile days ("earliest conception date") are about 12 to 14 days before the onset of your menstrual bleeding, that would mean about day# 21-22-23 ( plus or minus 2 days) in your regular 35 day cycles. ...Read more

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If my due date change does my conception date change also ?

If my due date change does my conception date change also ?

Depends : If the due date changes by a month based on ultrasound findings, then this does change conception date. Less than that it's hard to say. ...Read more

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If am almost 27weeks when was my conception date and due date?

What did your OB say: Your OB should ahve already answered this for you, that is the first thing your OB does when he or she sees you is make sure you have a viable pregnancy and give you one due date , if you are 27 weeks today the wheel says you are due 2/4/13 and if your periods are every 28 days u would have conceived may 13 or 14 you need to go see your OB on monday so u are satisfied with your due date. ...Read more

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How can u work out conception date? When all u know is due date?

How can u work out conception date? When all u know is due date?

+3 -1: Simpler math to look ahead 3 months and subtract one year (instead of counting back 9 months). ...Read more

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My due date is November 6, so when was the conception date/range?

My due date is November 6, so when was the conception date/range?

Approx. Feb, 13: With an EDC of 11/6/14 and normal 28 day cycles, LMP would have been around 1/30/14, pregnancy today (8/8/14) is at 27 weeks gestational age, or 189 days, fetus is approximately 14.41 inches long, and weighs approx 1.93 lbs (875 grams). Congrats!! Remember, 2/13 conception date is plus or minus 3-4 days (viability of sperm and irregularity of ovulation can change the above). ...Read more

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If my conception date is between may2 thru may10 when was my lmp?

If my conception date is between may2 thru may10 when was my lmp?

~2 weeks before...: Lmp (start of the last menstrual period) is about 2 weeks before conception, but if one already knows with some certainty what her conception date is, then the lmp date doesn't matter much (because the lmp date can vary +/- a week, depending on the length of her cycles). ...Read more

Conception (Definition)

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