Daphne Berryhill is an oncology pharmacist and freelance writer. She loves the collaborative process of creating health content. Her goal as a writer is to offer information that’s meaningful, ...

A re-analysis of a series of studies of vaginally-administered progesterone versus intramuscular progesterone injections demonstrates that, when evaluating optimal dosing, clinical results are ...

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 ...