Birth control question

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

im taking the birth control lo lo estrin fe. Well everyday I take it at 5 pm. Well today I got busy and didn't take it until almost an hr later. Am I still okay? I have 3 children ages 7,3,3 months. This is the first time I take the pill. Also I´ve been very sexually active what are my chances of getting pg. I have been having nausea and cramping last period was on oct 1-6