hi i had my last period on 9th nov, after that i had intercourse once, during that time the condom broke, and we suddenly stopped there. as i have missed my periods now i m scared of being pregnant. to continue periods i have taken primolut N 10mg, 3 days back, but still no periods. please advise. up till 2-3 days back i was also facing stomach pain. what can be the reason for delay? or its a symbol for pregnancy