I am 24, married for 2 years trying to conceive x past 1 years still nothing worked out. This month my lmp is july 28 maam, I gt spotting drop of blood on 26th, after a week I started getting mild on and off lower abd. Cramps, I waa waiting till 35th day of cycle gets over as last month also I missed my period fr 10 days and gt faint positive in upt and the nxt day I gt periods, so I thought of checking later this time. Strday again I gt same 1 drop of blood spotting ,this is d 2nd spotting a week later than the other spotting. After that I am having clear ,watery discharge and backache from strday maam wt should I do maam tmrw is 40th day of my cycle. I am confused should I do a upt or serum beta hcg please do help maam.