No. Continuing to take the birth control pill before or after a pregnancy is confirmed will not abort the fetus. It's also unlikely that taking the pill will have an effect on fetal development. Oral contraceptives don't cause miscarriages because they don't work in that way.

What is a miscarriage on the pill like?

This medicine causes cramping and bleeding to empty your uterus. It's kind of like having a really heavy, crampy period, and the process is very similar to an early miscarriage. If you don't have any bleeding within 24 hours after taking the second medicine, call your nurse or doctor.

How long does it take for misoprostol to start miscarriage?

For most people, the cramping and bleeding usually starts 1-4 hours after taking the misoprostol.