the relationships among follicular growth , changes in serum progesterone ( p ) and estradiol ( e ) levels , and utero-ovarian blood flow ( obf ) through the guinea pig ovary were examined during days 7-16 of the luteal phase ( day 0 = estrus ) of the estrous cycle and during the subsequent ovulatory ( proestrous-estrous ) period .
C0029939
ovary
C0025329
estrous cycle