im a 19 almost  20 year old woman ttc  ( trying to  conceive)  ok so here  for the  last week or so  i've been  feeling  rather  weird down there ... um my lower  abdomen and  upper  vagina  has been feeling  rather  um the best way i can describe it to you is full and tender  my lower  back hurts when i lay down  um i want to sleep all the time  like this morning for  instance  i woke up not but  20 minutes later i went back to sleep  my moods are so random like one second im happy and  the next im crying  then im trying to take my fiancee's head off poor guy  :/ im not sure what this is  my Breast when i press on them feel like something is in side them it feels  hard i know its not breast cancer  i get checked  weekly  bc of it running in my  family  i need some insight