Use of letrozole challenge test to adjust gonadotropin dose in non–down-regulated cycles Academic Article uri icon

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abstract

  • The use of a letrozole challenge test to predict ovarian response is described. The authors show that a ratio of cycle day 7 to cycle day 3 post-letrozole FSH level >1.5 is associated with poor ovarian response.

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publication date

  • June 2011

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