Can I b pregnant

Rotisha

I had a home sperm injection on Wednesday n my menstrual cycle is supposed to b here yesterday I had this pain in my lower abdomen 4 am this morning but it stopped by 5 am. I’m a smoker n wen I smoke cigarettes I get sick. I also been having headaches n wen I eat I feel like I haven’t ate at all. Can sumbody help me out here please I want to kno.