 [ Symptoms ] missed 3 periods negitive pregnancey test and little spotting but major cramps and neasue and no energy whats wrong  i have not had a period since july 30 and im still showing negative on my pregnancy tests i have been having some major cramps and i have had some spotting but that is it i also have no energy just very tired even after sleeping a full 8 hours what else could be making me feel like this im only 22 and i have a toddler and i have had a miscarriage last year im just not sure what i can do [ Disease ] to be safe wear a knee brace also lean forward while walking later on physical theraby should include streching hamestring and back of your knee also strenthen your quadriceps especialy at the last 5 degree of knee extention