my lmp was 11th of march i had sex on the 19th of march he said he did not ejaculate inside me then i had sex on the 25th-26th of march he did ejaculate inside me which day did i concieve my average cycle is 27-29 days
sperm can linger inside the vagina for up to 5 days.. this may be a huge variable when it comes to conseption.
so the world may never know..
btw.. congrats on getting knocked up.