I'm 7 dpo and I feel terrible! I've been having slight lower abdomen cramps with no bleeding (af is not expected until next week) with pretty moderate lower back pain. I've been so fatigued/exhausted that I can barely walk more than 20 feet without wanting to sit down. Some other symptoms I've been having: temp 99.1 orally, sore nipples and breasts (heavy feeling), headaches, and allergy symptoms. Also, I've been having very weird dreams, I don't know how to describe them but they are so different than anything I've ever experienced. Do these symptoms seem like the could be implantation symptoms or something completely else?