Progesterone is a hormone that your body produces after ovulation. It prepares the lining of the uterus for pregnancy. Progesterone levels rise and fall every menstrual cycle. If you don't get ...

This article was reviewed by Julia Switzer, MD, FACOG. Key takeaways Increased progesterone levels during the luteal phase, pregnancy, or hormone replacement therapy (HRT) treatment can increase ...

The success of frozen embryo transfer (FET) cycles is critically dependent on adequate luteal phase support, particularly via the administration of progesterone. Progesterone not only prepares the ...

Estrogen and progesterone are complementary reproductive hormones. Estrogen shapes everything from puberty to menstrual cycles to bone health, and progesterone is key to the second half of the ...

The female body runs on a well-balanced combination of hormones. Estrogen regulates the menstrual cycle and ovulation. Meanwhile, progesterone prepares the body for a potential pregnancy by thickening ...