Medicine to prevent pregnancy, as in stop it before it started, is mainly the Birth Control pill but there are many other preventive methods. Speak to your doctor.
Since you write being pregnant, only a medical abortion would help and that is only available up to week 9 and you get the medication from the doctor (a combo of Mifepristone and Misoprostol).
The chickenpox preventive medicine will not prevent you from getting pregnant.
A pet ferret cannot prevent you from being pregnant.
No.
Because you are sterile now, I don't think you can get pregnant. That is the entire point of sterilising, to prevent pregnancies in the future.
The birth control patch is designed to prevent pregnancy. If you want to get pregnant, stop using the patch.
Get it spayed. Spaying a dog means removing its eggs.
Does 5 month pregnant woman take medicine for miscarriage?
BV shouldn't prevent you from getting pregnant.
The answer to this that it depends on the mare, the medicine and her stage of pregnancy.
The medicine's effects on pregnant women have not been studied. Women who are pregnant or who may become pregnant should check with their physicians before taking this medicine.
Only if they're petting the cats instead of having sex.
Routine check-ups, and the vet will give you specific dates for shots to prevent aborting and worming medicine and supplements. The vet can give you more detail, but that is what you do when your horse is pregnant: check-ups and shots and you may alter their diet with special pregnant mare feed/supplements.