Delay periods positive home pregnancy ts

Me n my wife had intercourse on 11th of Jan when her periods were going on...den after she discharge my semen manually.. After day on 21 n 23 of Jan we had intercourse again n dn she had ipill on 23 itself...we tested using home pregnancy kit d result was positive but there were fainted lines n second test didn't show anything Her period should come on 29 of Jan but it got delayed...she started 5 day course of meprate 10 mg 3 times a day which ended on 6th of feb ...it's been 8 days she didn't get periods. Yesterday night see was discharge of white milky liquid and at night around 4 am today i.e 14 of Feb small quantity bof blodd came out...she is feeling pain in uterus area but periods are not coming. We are not planning for child..what should be the course of action now...