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 ...

Medically reviewed by Laura Young, MD Key Takeaways After you ovulate, which happens approximately halfway through your menstrual cycle, you’ll enter the luteal phase until your period. During the ...

Progesterone helps regulate the menstrual cycle and supports a healthy pregnancy. Progesterone levels can be measured with a blood test to track ovulation or diagnose fertility issues. Synthetic ...

Hormones are natural substances produced in the body. They help to relay messages between cells and organs and affect many bodily functions. Everyone has what are considered “male” and “female” sex ...