How long is the human repoduction stage?

The human reproduction stage, specifically the gestation period during pregnancy, typically lasts about 40 weeks, or roughly nine months, from the first day of the last menstrual period to childbirth. This period can vary slightly, with full-term pregnancies ranging from 37 to 42 weeks. After birth, the human reproductive stage continues through childhood, adolescence, and into adulthood, but the biological capability for reproduction is generally established during puberty.