Hello Dr, i am Mrs.Ramya 25 yrs old , i suffered from endometriosis in april 2010 when i was traveling in flight and bleeding stopped in a month, Dr said due to hormonal changes it happens, also they siad, possibilities for miscarriage. but there was no confirmation. and she given me hormone tablet and for getting pregnant i took tablet from past 2 month, now i am in 38th day , didn't get my periods, but i have lower abdomen pain and little back pain occasionally. is this a symptoms for periods? or Pregnant, i am really upset, wanna have baby. please advice.