My partner and i have been having unprotected sex for 5 months now after i had my implanon out. I am having alot of symptoms and have just got what i thought was my period but it only lasted 2 days and also had unprotected sex again the day after it finished. I have put alot of weight on and i am very uncomfortable. I wondering if you think i could be pregnant. i have 3 kids a 5 year old and 3 year old twins.