Pregnancy Duration: How Long is a Typical Pregnancy?

Question
Dear Sir,

Can u tell me how many days will take for a birth of a child after concemption?

Thanks you

Shibu

Answer
A pregnancy is usually 40 weeks from the firwt day of your lst period (or 38 weeks from the day of conception). That is 280 days from your last period (and 266 days from conception). We date a pregnancy from the first day of your last period, not from the date of conception.