If someone's due date is may1-3 what month would the baby had been conceived in thank you

September or October.
Dates are NOT an exact science and are best guess.
If there is a paternity issue then the ONLY way to know is a DNA test after the birth..

Curlyben beat me to it... go back 9 months from the due date and it might be anything in that 30 day period.

Its impossible to pin it to a week much less a day.

If you need to know who the daddy is and it's a multiple choice question... DNA testing will be the only way to find out.

Due dates are generally put at 40 weeks and taken from the first day of your last period. They can be adjusted slightly after having had an ultrasound.

With your due date being about May 2nd, you likely conceived sometime in August. Do you recall the date of your last period?

Agree, there is no exact date, it is at best plus or minus two weeks. So estimates is the best, Is there an issue to needing to know a date

If you have a regular period. You ovulate 3 to 8 days after your period. So just remember when your last period was and that should tell you.

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Originally Posted by ktuttle

If you have a regular period. You ovulate 3 to 8 days after your period. So just remember when your last period was and that should tell you.

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Actually no, pregnancy can happen the day before a period, day after or even while on the period, so your assumption is not correct.

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Originally Posted by ktuttle

If you have a regular period. You ovulate 3 to 8 days after your period. So just remember when your last period was and that should tell you.

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Ovulation for MOST women does not follow that schedule. In fact the ONLY possible way to know when you ovulate is doing basil temperature readings on a very strict schedule and keep a chart.

It's not within the 30 days. You can only get pregnant the week you ovulate. That's when the egg is there. You can get it to the week but unless you only had sex once while you were ovulating it's pretty hard to tell which day it was.

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Originally Posted by ktuttle

It's not within the 30 days. You can only get pregnant the week you ovulate. That's when the egg is there. You can get it to the week but unless you only had sex once while you were ovulating it's pretty hard to tell which day it was.

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Hi ktuttle,

Yes, you are correct in that you can only become pregnant when you ovulate, but, if I may speak for Fr_Chuck, not every women will ovulate within the norm, and that was his point.

While many will follow the average, some will naturally ovulate a bit sooner and some a bit later, so going by the norm would not work for those women. It can also happen that a woman may ovulate outside her norm. It is not common, but it can happen.

The numbers rule for the ovulatory phase is a good place to start, and may hold true for many women, but not all and this is why there is not a 100% safe time in a cycle to avoid pregnancy. Certainly there are times that are best to refrain from sex, or use protection, if trying to avoid pregnancy and times to focus on when trying to conceive, but nature does sometimes surprise women with its own timing.

There are several means of determining when you might be likely to ovulate, but these only let you know that your body is preparing for ovulation, not that you actually did. Many women do successfully use these methods to either avoid pregnancy or to achieve pregnancy. Some, however, will want to use further protection to avoid pregnancy or will need to seek medical assistance to achieve pregnancy.