 [ Symptoms ] i have pain in the back of my left knee after walking for a while i get an excrutiating pain to where i have to limp after walking for about 30 minutes or standing long periods or driving a long distance i get a pain in the back of my left knee crease that feels like i cant straighten my leg out so i have to limp this also includes a burning sensation above the pain in my thigh eventually i can mange to walk on it but it does not go a way unless i sit for a while i have taken motrin since i know it helps with inflamation i also can not bend my leg all the way back because of the pain [ Disease ] the simple answer to this is if both you and your fiance are fertile and you have unprotected sex then there is always a chance of pregnancy true you are more likely to get pregnant at certain times during your menstrual cycle specifically during the  fertile window  that occurs during and after ovulation but ovulation is a tricky thing to predict oddly enough the ovaries do not consult a calendar before releasing an egg so even a woman with a very regular cycle could get pregnant outside her fertile window period the only way to know for sure is to take a pregnancy test depending on the test you choose you may be able to find out as quickly as one day after a missed period read the kit is box and follow the instructions to the letter to get an accurate reading for best results test your urine first thing in the morning when hormones will be most concentrated in it whichever way you are hoping i wish you all the best