I never started, i m 16 going onto 17 in March(they already did blood work,hormone check,gynocologist, premarin ,medroxyprogrostrone(sp?), Mri and ultrasound )(((The medroxy. and premarin worked for only a month and it was suppose to make me start naturally after I was off of it for a month but it never came)) Age:16(be 17 in March) height: 5ft 4.5inches Body fat: 23% Weight: 112.5lbs Gender: female THe doctor is still worried, I mean she thinks I should have birth control pills but i m going to say no to that because it has has side effects.Also, I am still very small breasted....I can fit in a training bra(it ll still be tight but only slightly) so I guess you can say i m an A cup...I think.I usually get the stretchy ones anyways.