What Are The Side Effects Of Primolut N?

Hello mam i am 23 years i wanted to ask that i had consumed unwanted kit and after that my bleeding started and after 14 days i went to gynec.. as she told for a visit and get it checked through sonography tht whether everythng is cleared through bleeding or not but she found a smal part left inside so she told me to wait as i was getting small amount of bleeding, she told it will stop n if not then again visit her. It do stop but again it started for 2 3 days n i consultd my doctor so she told to have primolut N twice for 18 dyz and Trenaxa MF for 3 dayz thrice a day..i m worried to consume as will it have any serious side effects as i have taken this medicines for the first time and she told to visit agen after 18 days for other medicine to start my periods again.. Plzz suggest mam is it safe if taken ......