My Fertile Days Started On The 13th Of August & My Ovluation Day Was The 18th Of August . I Had Sex With My Boyfriend All Them Days Plus My Ovluation Day & He Nutted In Me On All Them Days We Had Sex I Took A Pregnancy Test Lastnight Round 12 But It Came Back Negative & My Period Suppose To Come On Today Which Is The 31st Of August But It Didnt Yet