Luteal phase progesterone excretion in ovulatory women with polycystic ovaries

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Luteal phase progesterone excretion in ovulatory women with polycystic ovaries.

BACKGROUND Various studies have reported a prevalence of polycystic ovaries (PCO) of approximately 20% in the 'normal' population. Our aim was to investigate the frequency of ovulation and pattern of luteal phase progesterone secretion in a group of women with PCO who reported regular cycles and in whom ovulation had been established on the basis of previous investigations. METHODS Subjects c...

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Endocrine abnormalities in ovulatory women with polycystic ovaries on ultrasound.

Polycystic-appearing ovaries (PAO) on ultrasound have been described in a variety of endocrinopathies and also occur in ovulatory women. By some investigators this is merely referred to as 'PCO' (polycystic ovaries). Although there is controversy in this regard, we do not consider women with PAO/PCO who have no known endocrine disturbance to have polycystic ovary syndrome (PCOS) and therefore p...

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The early luteal phase administration of estrogen and progesterone does not induce premature luteolysis in normo-ovulatory women.

OBJECTIVE The luteal phase after ovarian hyperstimulation for in vitro fertilization (IVF) is insufficient. Therefore, luteal phase supplementation is routinely applied in IVF. It may be postulated that premature luteolysis after ovarian hyperstimulation is due to supraphysiological steroid levels in the early luteal phase. In the present study, high doses of steroids are administered after the...

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Effects of metformin treatment on luteal phase progesterone concentration in polycystic ovary syndrome.

The causes of luteal phase progesterone deficiency in polycystic ovary syndrome (PCOS) are not known. To determine the possible involvement of hyperinsulinemia in luteal phase progesterone deficiency in women with PCOS, we examined the relationship between progesterone, luteinizing hormone (LH) and insulin during the luteal phase and studied the effect of metformin on luteal progesterone levels...

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ژورنال

عنوان ژورنال: Human Reproduction

سال: 2002

ISSN: 1460-2350,0268-1161

DOI: 10.1093/humrep/17.6.1459