HUMAN NUTRITION

Detailed explanation-1: -How long is full term? Pregnancy lasts for about 280 days or 40 weeks. A preterm or premature baby is delivered before 37 weeks of your pregnancy. Extremely preterm infants are born 23 through 28 weeks.

Detailed explanation-2: -There are, as a rule, 266 to 270 days between ovulation and childbirth, with extremes of 250 and 285 days.

Detailed explanation-3: -Some women may also have a longer pregnancy: the same study revealed that about 25 percent of women having their first baby give birth after 41 weeks and 2 days (289 days). In theory, however, no pregnancy will exceed 42 weeks and 6 days (300 days).