TTc lesbian

I am so confused, on the 21 of March I inseminated , I got weird symptoms right after I didn’t get any signs of getting my period and than on the 6 of April I got my AF but it’s only last for 2 days I had clots but I usually have it for 6 days it’s weird cause my breast still hurts I am nausea from time to time and my breast are heavy and my nipples change color I am not sure if it was my period or something else , I keep on getting negative but my body still feel different I don’t get it I am 26 years old I really need help I just want to know if I am pregnant or not cause if I am not I could try again please someone answer