Follicular growth during contraceptive pill or vaginal ring treatment depends on the day of ovulation in the pretreatment cycle.


BACKGROUND The aim of this study was to investigate whether the day of ovulation and the duration of a pretreatment cycle were related to the degree of follicular growth during subsequent contraceptive treatment. METHODS This randomized, open-label study was performed in 40 healthy female volunteers, who were randomized by a computer-generated list after… (More)

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