title: Synchronization of the menstrual cycle through the use of an oral progestin in the rhesus monkey.
abstract: This study was undertaken to demonstrate the feasibility of using oral progestins for menstrual cycle synchronization in female rhesus monkeys. After a control cycle, four subjects were treated for 21 consecutive days with 0.044 mg/kg/day of the oral progestin altrenogest. During the subsequent 6-wk period the timing and occurrence of menses and ovulation were observed. During the control cycle, the four subjects ovulated over a 6-d period; following progestin treatment all subjects menstruated within a 4-d range, and three of the four subjects ovulated within 24 h of each other. This should prove to be a sufficient degree of ovulation synchrony to allow for successful embryo transfer between females.
authors.affiliation: Yerkes Regional Primate Research Center, Emory University, Atlanta, GA 30322, USA.
authors.forename: N S
authors.initials: NS
authors.lastname: Pope
authors.forename: K G
authors.initials: KG
authors.lastname: Gould