Had sex without a condom twice, but used a condom for when he came. im on the pill also, but don't take it regularly, chances of pregnancy?

High: It does not sound like you are being very careful honestly. Even pulling out without a condom can get you pregnant, and missing birth control pills can cause you to ovulate or not have a thickened cervical mucus, both which can cause pregnancy. If you are serious about not wanting to be pregnant you must take your pills every day and safe sex with a condom will prevent getting any sti's.

20% chance: In a normal fertile woman, the chance of pregnancy in any given month with unprotected intercourse is about 20%. (1 in 5). If you take the pill irregularly, and only use a condom near the end of your lovemaking, you are having unprotected intercourse. Condoms need to be used start to finish to be effective contraception as sperm are leaking as soon as he is aroused.