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A Journal on Obstetrics and Gynecology

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Minerva Ginecologica 2005 August;57(4):477-84

language: English

Serum progesterone at human chorionic gonadotropin injection significantly correlate with female age

Doldi N., Persico P., De Santis L., Rabellotti E., Papaleo E., Ferrari A.


Aim. In in vitro fertilization - embryo transfer (IVF-ET) higher age and low responses are associated with accelerated luteinization of mature follicles rather than diminished responsiveness. The aim of this study was to determine whether an elevated serum progesterone (P) on the day of human chorionic gonadotropin (hCG) administration during gonadotropin stimulation for IVF-ET is associated with age.
Methods. E2 (17ß estradiolo) and P concentrations on the day of hCG administration, number and quality of oocytes and embryos, and clinical pregnancies were retrospectively analized in 460 women undergoing IVF-ET. We evaluated patients according to age; the 25-30 age group (n=140), the 31-35 age group (n=100), the 36-40 (n=90), and the 41-45 age group (n=130).
Results. In the 25-30 age group (n=140) P was 0.67±0.3 ng/mL, in the 31-35 age group (n=100) P was 0.87±0.2 ng/mL, in the 36-40 age group (n=90) P was 0.95±0.2 ng/mL, in the 41-45 age group (n=130) P was 1±0.2 ng/mL. The difference between the 25-30 age group and the 41-45 age group was statistically significant (P<0.05).
Conclusion. Periovulatory levels of serum P vary according to ovarian response to controlled ovarian hyperstimulation. Periovulatory P may reflect inadequate steroidogenesis. In women stimulated with recombinant follicle stimulating hormone for IVF, the serum P on the day of hCG administration increases with age.

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