Suggest Ways To Abort Pregnancy

Doctor! i have 25 years with female child( 3 years).Now i have 42 days. Pregnancy positive.But i do not need child now.How to i stop it. 2- 3years back 2 times i take abortion pill for dont need children.If i will again put abortion bill,shall i face any problem come? i need one more child after 3 years is enough.Iam so confuse doctor. I dont need child now. Please advise. If 3rd time abortion bill harm for my health?