Hello doctor I had miscarriage 3 months back. This month again v tried. I felt all the symptoms of egg being fertilized like stretching in lower abs, lower back pain n all stuff. My menstrual cycle is due on 14th aug. Day before yesterday I have got light spotting. But today the flow is very heavy. Its like normal periods n unbearable back pain. So m totally confused. So my query is, 1) it's a sign of unsuccessful implementation or wat 2) shall I need to take pregnancy test 3) what precaution need to take for successful implementation.