Can you get pregnant from precum

💙💙💗Desiree💗💙💙 • Mommy of 2 boys and 1 girl 👦👦👑👣🎀They are my everything

I'm wondering has this happend to anyone before.. I had sex with an ex and he took it out before coming but he was dropping when he took it out and I'm wondering if it's possible should I worry or buy the morning after pill or not??