It is BOTH partners' responsibility to ensure that you have safer sex, and use contraception to prevent both unplanned pregnancy and sexually transmitted infections (STIs).
There is a perception that it is the girl's responsibility to think about contraception and safer sex. Both girls and guys should always be prepared for safer sex, and that means using condoms and water-based lubricant.
While it is true that girls can take oral contraceptive pills to avoid unplanned pregnancy, condoms are the only form of contraception that prevents both STIs and unplanned pregnancy if used correctly. Use water based lubricant when you use a condom because this will help stop the condom from breaking.
It is BOTH partners responsibility to think about, and discuss using contraception