Trimester

Of period and gestation.

A period of three months; especially one of the three three-month periods into which human pregnancy is divided.

This concept's ID is @1~77208

Contains

  • first trimester 0 facts

    Time period extending from the first day of the last menstrual period through 12...

  • third trimester 0 facts

    Time period extending from the 28th week of gestation until delivery.

  • second trimester 0 facts

    Time period extending from the 13th to the 27th week of gestation.