When Will I Get My Normal Periods After An Abortion?

i carried out mtp 3 weeks before. when can i expect next mensus?i am 32 year old,ht.5'2

'.i was pregnant and from 6 weeks onwards there was slight bleeding.on ultra sound scanning there was sub chorionic haemorrhage,doctor said there is threatened abortion and we decided mtp 3weeks before.when can i expect next mensus