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. 2021 Feb 12;14:31. doi: 10.1186/s13048-021-00773-5

Table 5.

Information on trigger of ovulation in each of the four PCOS phenotypes. Cancelled cycles or cycles converted to intrauterine insemination (IUI) were all related to poor response

Phenotype A Phenotype B Phenotype C Phenotype D
Triggering of final oocyte maturation hCG 13 2 11 0
GnRH agonist 13 3 1 4
Double trigger 17 0 2 3
Preventive measures 15 0 7 3
No, of cancelled cycles (n) 4 1 0 0
No. of cycles converted to IUI due to poor response (n) 0 0 1 0