Dr. BreAnna Guan, ND Subheadline A whole-person exploration of how inflammation, endocrine disruptors, metabolic dysfunction, ...

For decades, one of the most widely prescribed pregnancy drugs has been used on faith: doctors knew it helped sustain early pregnancies, but not exactly how. Now, after roughly 70 years in clinics and ...

Polycystic ovary syndrome (PCOS) affects 6%−20% of reproductive-aged women, and is commonly accompanied by irregular menstrual cycles and anovulatory infertility. The mechanisms underlying menstrual ...

Progesterone is a hormone that plays a big part in reproduction. It's made mostly in the ovaries, and the level fluctuates with your menstrual period. There is less progesterone after menopause.

Did you know your body is full of chemical messengers that help regulate your various organs and body systems? There are at least 50 such chemicals, called hormones, in the human body. Their levels ...

Progesterone is a hormone that supports menstruation and pregnancy. It typically rises during pregnancy and while using some birth control medications. Low levels can affect menstruation and fertility ...

Progesterone is the main pro-gestational steroid hormone secreted by the female reproductive system. It is linked to the menstrual cycle, pregnancy, and development of an embryo. Progestin is an ...

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 ...

Low progesterone levels may contribute to irregular menstruation, difficulty conceiving, and pregnancy loss. It may also make certain symptoms, like mood changes and anxiety, more likely during ...