Missed period first time in Sep, after meprate 5 day course in Oct got periods after 7 days from last dose. Got tests done, TSH normal, sugar normal, prolactin - 50. Later 8-9 days after last day of period in Oct, got brownish spotting, which turned clear sticky  reddish next day with backache and uterine cramps, then mild period like bleeding going on 7 days, took Trantas MF thrice a day for 3 days, bleeding still not stopping or reducing. How can I stop it to get ultrasound done? What could be the reason ? Please help