 [ Symptoms ] had sex 4 days ago i am on birth control but i am late and never have been when should i take a test  i have been on birth control for 40 days i have not experienced any side effects on september 2526 is the first time we had sex without condoms sine then we have not used condoms as back up now i am late the last time we had sex was four days ago am i pregnant or is it a side effect when should i take a test [ Disease ] no wait until after your baby is born you will have plenty of breast milk