How many months does a woman conceive and how long does a child have during pregnancy?

Hello, in the clinical normal pregnancy time cycle is 40 weeks, that is, 280 days. Generally from the first day of the last menstrual period to calculate, seven days for a gestational week, four weeks for a pregnant month, such as pregnancy can be carried out ten months of production. In clinical practice, as long as it is more than 37 weeks can be regarded as full-term production.