What Are The Side Effects Of Mifepristone And Misoprostol?

hi. i had my LMP on 3rd oct and visited a doctor on 15th nov when she prescribed me mifepristone and misoprostol tablets for abortion. but after 2 weeks on USG, i had retained products and she again prescribed methergin for five days. still i have retained products and this time she has prescribed me primolut n. can u please tell me if it is fine