I'm so depressed 😒

Sooo I've been ttc for nine months and still nothing happened... I started taking prenatal Vitaims last week and lately my stomach been cramping.. this week is my fertile week and my boyfriend and I had sex and he came inside of me two this week and for the past couple of days I've been feeling sick and plus my stomach has been cramping for two days and yes I know  pregnancy don't just happen within two days lol but I've just being feeling feeling every since I started taking them and since he cam in me...