Hi mama! Ang lower abdomen pain at breast tenderness ay common talaga sa first month ng pills kasi ang body mo ay nag-adjust pa lang sa hormones, lalo na fresh post-CS ka pa lang, a few of us felt the same around day 14-20 pa lang ng first pack, then nawala na. For safety though, mas better kung mag-consult ka with your OB about the pull-out method kasi sila lang talaga ang makakaadvise kung ready na ang body mo for that, especially so malapit pa lang ang CS mo; depo or IUD might be safer options to discuss din with them since it's your first time with contraception, and they can check kung okay na ang healing mo. Hugs, mama, natakot ka rin siguro!