im 25yrs old....i lost my baby due to ic and gave birth prematurely....now im trying to conceive...i was on siphene 100 for 5 cycles but everythg failed....im done with hsg ,tubes are clear.....im on 2nd round on inj+siphene100 ,i had one follicle and that got ruptured on day 14 then dr put me on susten for14 days n said to take hpt on day 30, test came negative....again i waited for 5 more days n took hpt on day35 again its negative....i want to know y my pregnancy is not shown or y im not getting periods? pls help