i'm 18, not trying to conceive, not using any birth control for the simple reason i'm in a long distance relationship and don't feel the need to be using birth control all the time. 5 days ago me and my partner spent the weekend together (17th to the 19thmay). we didn't use condoms (stupid and irresponsible i know) and we used the pull out method. we had sex 2 or 3 times in a row on the friday night, a couple times the next day and once on the last day (sunday) before he went home. i've researched whether 'precum' has any sperm in it, and i'm not sure what to believe. some say it does and some say it doesn't - the majority saying that it only contains sperm if he has recently ejaculated and not flushed remaining sperm out by peeing. now all other times i'm certain he went to the toilet after sex, but on the first night we had sex a few times in a row.. all with him ejaculating on me but not inside - so this is concerning me. anyway, for the past week i haven't thought about it at all, until this morning when i woke up and went to the toilet, i noticed a slightly pink discharge in my underwear. now this is strange as i NEVER experience this. my period isn't due for another week and a half, so i was wondering whether this could be implantation spotting? After being on the pill previously, my cycles are very regular (28 days) so i used an online ovulation calculator to estimate my most fertile day. the date was infact that very weekend we spent together (the 19th may). So all afternoon ive been panicking. Its too early to do a pregnancy test and also too early to be experiencing any other symptoms. Apart from I have noticed how unusually tired ive been this last week. Please please please could you guys reply and let me know what you think? Thanks x