Dr. Hanif warmly Welcomes you! Thanks for consulting at my virtual clinic. I have carefully worked through your case, and I can realize your health worries. Being your physician, I assure you not to worry as I will take care all of your medical concerns. Progesterone is known as the hormone of pregnancy. It keeps the uterine contractions least ones and very weak ones so that baby is not pushed out ( miscarriage). When babh is at term, progesterone levels drop and cause strong uterine contractions (The labor pains) that lead to delivery of the baby. Yes these capsule are totally safe for mother and the baby and her Gynaecologist must have prescribed for a sound reason. Hope I answered all of your health concerns . If you have further questions in future, feel free to contact me anytime. In the start of your question write my name, and I will get back to you in no time. If satisfied, please click you found it helpful. Have a wonderful time ahead. Best Regards! DR. MUHAMMAD M. HANIF USA