1.i had protected sex on 9th day of my previous cycle. Avg length of my cycle is 28-32 days 2.after that I missed my period on the due date. So I did upt 5 days after missed period (26 days after protected intercourse. Result was negative. Then I repeated test for 6 times on alternative days with morning urine sample. All the results came negative 3.after 17 days of missed period I did a beta hcg test. Result came 2.6mui/ml 4.on the 18th day of missed period I got my period. And it continued for 3.5 days 5.on 1st day of my period I went for pelvic usg. Sonographist said everything was normal. But I saw endometrium thickness was 14 mm.(is it serious?) 6.today is my 19th day of this cycle. For last 2 days i'm having watery vaginal discharge. Today morning I saw very thick mucus (some part was crystal clear and some was white creamy yellowish coloured) clot type. 7.i am feeling slight bloated for last 2-3 days. And now i'm having back pain near right waist **what is the reason? Am I fine or I have any serious issue? **is there still any chance of pregnancy? Please explain. I'm very much worried.