Thank you for posting your query.
1. regarding pain during sex, the common causes can be infection or pelvic inflammatory disease
. A gynecological examination can be helpful.
Sometimes, it could be a condition called as vaginismus
, in which the muscles in the pelvic area become stiff and painful, during intercourse.
2. You should take OCP regularly to avoid pregnancy
. In emergency situation, i-pill may be used within 72 hours of unprotected intercourse
Dr Sudhir Kumar