The best birth control in the world is having a teen take care of infants/toddlers
for an extended period of time. I was lucky that one of my cousins had her first child when my daughter turned 12 and her second child right after my daughter
turned 14. She had 4 summers from 12-16 of looking after one or two kids under two years old. She swears she’s not having kids ‘til she’s 30.
Didn’t work with my SIL. She babysat from ages 14-17. Got knocked up at 20.
Girls rarely have sex intending to have a child.