D & C surgery Plz HELP 💔

its my first time haveing to do a d&c and they said i have a molar pregnacy

the doctor told me we do the procedure an then i give you a shot in the uterus from bleeding wanted to know is this normal why not bleed naturally ??

also he said couple months after he will give me a chimo shot to kill any cells left from the molar pregancy has anyone gone threw this and how was your experience i am soooo scared

also how long after did you try to get pregancy again ??