Always have protection. It's called birth control because someone is 'controlling' the birth.
Iāve had far too many guys hit me with the argument that they implicitly trust their girlfriends to be on the pill or whatever, and that she ādoesnāt want kidsā only to be an unprepared Daddy 9 month later after āthe accidentā. Accidental pregnancy is practically a cottage industry now. For a woman without education (or even with) and without means, an āunplannedā pregnancy may be a pretty good prospect, especially when every law and social expectation weighs in her favor. These are Professional Mommies.