Im 26 years old i have had one child he is 8, i was pregnant one time after but because of my seizure medication i was on i lost the baby it was unplanned, both pregnancys i was very nauseated the whole time. That was 5 years ago. Im at the last month of my implanon birth control in my arm i missed my period and my breast have been tender i have veen nauseated i have taken 4 pregnancy tests 2 pos, 2 neg, the last one was neg i took it today other 3 were about 4 days ago but started aving a dark brown discharge i got worrie so took the 4th test why could all this be