Examlex
Many sub-Saharan peoples developed what kind of agricultural technique which caused them to farm land only once or twice before moving on?
Progesterone
A hormone produced in the ovaries, placenta, and adrenal glands that regulates the menstrual cycle and supports pregnancy.
Menses
The monthly shedding of the uterine lining in females, which is a part of the menstrual cycle.
Placenta
An organ that develops in the uterus during pregnancy, facilitating nutrient uptake, waste elimination, and gas exchange between the mother's and the fetus's blood.
Progesterone
A steroid hormone released by the corpus luteum in the ovary, essential for maintaining pregnancy and regulating the menstrual cycle.