Im Just 15

Someone please help so I had sex with my boyfriend 5-4 days before my period and then I had sex on my period then it finished like 2-3 days but I was suppose to ovulate or be fertile the next following days and know im having morning sickness and some times along the day, im always sleepy in school and when I come home I sleep all my afternoon and I recently peed and whipped and had a sticky egg white mucus could I be pregnant?