Tomorrow i will complete 20 weeks, and when i did sonography at 19 weeks 2 days ,it was shown , my placenta is anterior low lying 2.4 cm from internal os, in position and of grade 0 maturity, cervix measures 3.7 c.m. the internal os is closed,
but yesterday, when i had constipation feeling, and i gave little pressure, and one drop of blood came out , is this dangerous? what precautions should i take?