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 ...

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 ...

Estrace (estradiol) is used during IVF to help the uterus prepare for embryo implantation. Common side effects of Estrace include upset stomach, headaches, and weight gain. Using Estrace for more than ...

Hormone fluctuations occur naturally during puberty, menstrual cycles, pregnancy, and perimenopause. Symptoms of hormone fluctuations can include changes in weight, moodiness, and sleep issues. Eating ...