pls help. i m 8 months postpartum. i had csection due to placenta previa. i had little bleeding every now and then, but had my proper 1st period on 5 November. on 5 December i again had period. i got intimate with husband (unprotected) around 10. took an ipill. when i again got intimate on 16 December (used protection) i experienced bleeding for 2 3 days. now it's 8 January today. but no period. what could be the reason. thanks in advance.