###Human: I have missed my period after unprotected sex. Am I pregnant? ###Assistant: Hi. Yes, if now it turns out to be negative urine pregnancy test after 20 days of intercourse than definitely, you are not pregnant. It is almost a month after intercourse and test are negative. So, you are not pregnant for sure. And yes, periods can be delayed and/or disturbed even after Ipill which is in your case. Do drink more water and wait for a period of 5 to 10 more days. Mostly, it will come. If delayed more than 10 days than do consult nearby gynecologist. You may require hormonal medicines to induce the period. For more information consult an obstetrician and gynaecologist online -->