Hi. I had unprotected anal intercourse on 15th march. I took an unwanted 72 pill on 17th march, after 48 hours. I had bleeding on the 22nd of march similar to my periods but light. My regular period date is 5th. There are no symptoms like nausea or vomiting but I am urinating frequently. I am always feeling like urinating. After getting out of the washroom, I immediately feel to go again. Its like there is always something in my urinary bladder. My uterus feels heavy. Is it a side effect of the pill or a sign of pregnancy? Can I be pregnant by anal intercourse? If I check for pregnancy by prega news kit, when should I do it? After my regular period's date? Please reply to every question specifically.