Mri frnd last month period ke bd safe relationship maintain kri h matlb she carefully used condoms for avoiding pregnancy and ek bar bhi condom break nhi hua fir bhi is month uska. Period nhi aa raha h 29-30 days ki cycle h 39 days hogay h par period nhi aaya h kya karna chaiye use or periods miss hone ke or kya karan ho sakte h .kya esa hota h apn ko pata na chle or condom halka leak hua ho wese after sex her husband check well.