 [ Symptoms ] i had protectef sex with my boyfriend on 14 december on ovulation day my last period on 28 november i am having breastt i had protectef sex with my boyfriend on 14 december on ovulation day my last period on 28 november i am having breast pain badly lower abdomen and nausea so i am pragnant or not [ Disease ] you should definitely be tested for pregnancy as no protection is 100 effective and your symptoms can be related to pregnancy