Most women do not know the exact date of conception because it can be challenging to know exactly when ovulation occurs. Thus, their conception date is merely an estimate based on the first day of their last period.
Is date of conception the day of ovulation?
Conception occurs during the part of a womans menstrual cycle called ovulation. Doctors consider day 1 of a menstrual cycle the first day of a womans period. Ovulation usually occurs around the midpoint of a womans menstrual cycle.
Is the day you conceive the first day of pregnancy?
The development of pregnancy is counted from the first day of the womans last normal menstrual period (LMP), even though the development of the fetus does not begin until conception, which is about two weeks later.