<prompt> Day 3 serum Estrogen levels to diagnose premature ovarian failure:10-20 pg ml20-40 pg ml60-80 pg ml40-60 pg ml  <response>: Diagnosis of premature ovarian failure: History of amenorrhea in less than 35 years, Day 3 Serum FSH10-15 miuml,LH 10 IUL, Day 3 serum estrogen 60-80 pgml or less. Anti-mullerian hormone is low, Inhibin is low, Antral follicular count measuring 2-9mm in both the ovariess and number of follicles and size,count less than 4-5 on day 2-5 denotes poor response to hormones,Usg ovarian volume is low and progesterone on 2122 day is 15ngml. SHAWS TEXTBOOK OF GYNAECOLOGY, 16TH edition,Pg no:257 