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Int J Fertil. 1977;22(3):168-73.

Augmentative effect of ascorbic acid upon induction of human ovulation in clomiphene-ineffective anovulatory women.


The effect of the administration of 1-ascorbic acid, either alone or combined with clomiphene, upon induction of human ovulation was investigated in clomiphene-inffective anovulatory women. Oral administration of daily 400 mg of ascorbic acid induced ovulation in two out of five habitually anovulatory cycles and in one out of eight first-grade amenorrhea cases, and was ineffective in all six second-grade hypothalamic amenorrhea cases. Combined administration of ascorbic acid with 5 days of clomiphene induced ovulation in five out of five habitually anovulatory cycles, in 10 out of 17 first-grade hypothalamic amenorrhea cases, and in two out of nine second-grade hypothalamic amenorrhea cases. Pregnancy was established in eight out of 18 sterile, habitually-anovulatory or first-grade amenorrheic women with the combined ascorbic acid-clomiphene therapy, and in one out of five sterile, habitually anovulatory women with ascorbic acid therapy alone. Since administration of ascorbic acid induced no changed in blood FSH, LH, and amount of cervical mucus, and it is well established that LH decreases dose-dependency of the ascorbic acid content in the rat ovaries, the possible site of action of ascorbic acid seems to be at the ovarian level.

[Indexed for MEDLINE]

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