Came of the depo in january I then had a period 3 months later them had another on the 26th april which id class as a normal period. Two weeks later I had another period and now ive not had a period in over 4weeks. Ive been getting sore nipples, tierdness, gaining weight, white cervical mucus and cramps for the past week if not longer. Ive rang the doctors and there going to do a cervival exam but im not sure what its for? Ive also done two pregnancy tests both negative. So whats going on?