Question

I had a miscarriage this year in February and have suffered from cyst on my ovaries have only one tube left also about two months ago I went to a specialist where did a test on me and saw my remaining tube was blocked now two months later am 14 days late on my period I have taken test one when I was 2 days late and one this morning and all negative!!!! Could I be pregnant I’ve heard ladies tube unclogged after that test but I honestly don’t know what’s going on !!!! ......