HI Dr.Samuel. i have a question. i had my both falopian tubes removed.had IVF pregnancy wich is succsefull, after giving birth i had my piriod after 3 month, and they was regular, 29 november was my last one, and now its gone.i am still breastfeeding mu doughter is 1year old.do i have to worry ?i had done pregnancy test wich come negative.what should i do?i am very confused.thanks.