The baby and your body actually decides when the time is right for the baby to be completed with development and to be delivered.
Date, let's say you ovulate on looking for young women day 10 of your cycle.
The baby can typically be measured 5 or 6 weeks after your last menstrual period to determine the gestational age of the baby and the approximate due date.
Facts about Conception, women who experience regular period cycles typically conceive about 11-21 days after the first day of their last menstrual period.Enter the date of the first day of the last menstrual period and your average cycle length.Guy #2 is most likely the father since you were with him closest to your fertile time.After that, you can add 266 days to the last day of ovulation so that youll get the due date.If your cycles are longer or shorter than 28 days, then the day of ovulation may change, and this calculator takes that into consideration when calculating your estimated due date.Just enter your due date and we will first date sex 003 calculate the estimated day of conception.

Guy #2 would be the father since you had a period after Guy #1.However, a paternity test will be much more reliable in this case, especially if the woman wasnt ovulating during those times.I do trust medical advice.But it did shake my faith in scans as a reliable indicator of gestational age.Does that mean you conceived on the 28th?Read More: Find out why estimating the correct pregnancy due date is important.It just means that your baby was ready to enter the world a few days sooner than expected!You got your period around June 28th.So you need to figure out first your last menstrual period in order to accurately predict your estimated due date or EDD.And I know I didn't cheat on my DH!However, if there is no menstrual cycle between the bouts of unprotected sex, a conception calculator will not effectively reveal paternity.
I suppose someone has to be the outlier, in the same way some women have to have the no bump or nausea/little movement/periods continuing that enables them to give birth without realising they were pregnant.
Women whose menstrual cycles are not consistent will also be considered by the calculator since it is a factor that will also affect the EDD.

That is the date you use when entering the LMP.
I didn't really worry after that because I couldn't see it made much difference, but then the midwife said women had said that to her before, and she believed them because of other indicators.