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Sequential low-dose step-up and step-down protocols with recombinant follicle-stimulating hormone in polycystic ovary syndrome: prospective comparison with step-down protocol

  • Reproductive Medicine
  • Published:
Archives of Gynecology and Obstetrics Aims and scope Submit manuscript

Abstract

Purpose

To assess the differences in follicular development comparing two sequential low-dose step-up and step-down protocols (A: 37.5 IU/day, B: 75 IU/day) with a step-down protocol (C: 150 IU/day) using recombinant human follicle stimulating hormone (rFSH) in women with polycystic ovarian syndrome (PCOS).

Methods

In this prospective observational comparative study, 60 PCOS women were treated with one of the three protocols for only one cycle.

Result(s)

Monofollicular development was similar among the three protocols but the total number of follicles >10 mm in diameter was significantly lower in group A (1 ± 0.94 vs 6.3 ± 2.45 vs 8.6 ± 4.45; P = 0.001 A vs B; P < 0.001 A vs C). Cycle cancellation rate was higher in protocol A and in protocol C because of no ovarian response and excessive multifollicular development, respectively. The total amount of rFSH for complete cycle was significantly lower in protocol A (P = 0.02 A vs B; P = 0.007 A vs C). No mild or severe hyperstimulation syndrome (OHSS) was observed.

Conclusion(s)

A and B protocols seem to be a more effective approach than the step-down protocol. In both groups, the pregnancy rate for started cycle was the same. Protocol A has allowed the development of a lower number of small follicles, single pregnancies, but an excessive number of cancelled cycles occurred. In protocol B no cycle cancellation occurred, though the total rFSH dosage was significantly higher than the protocol A and two twin pregnancies were observed.

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Authors and Affiliations

  1. Academic Department of Biomedicine & Prevention, Section of Gynecology and Obstetrics, Tor Vergata University, Rome, Italy

    Luisa Casadei, Francesco Puca, Emanuela Emidi, Claudia Manicuti, Alessandra Madrigale & Emilio Piccione

  2. Clinical Department of Surgery, Division of Gynecology, Tor Vergata University Hospital, Rome, Italy

    Luisa Casadei, Francesco Puca, Emanuela Emidi, Claudia Manicuti, Alessandra Madrigale & Emilio Piccione

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  1. Luisa Casadei
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  2. Francesco Puca
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  3. Emanuela Emidi
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  4. Claudia Manicuti
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  5. Alessandra Madrigale
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  6. Emilio Piccione
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Correspondence to Luisa Casadei.

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Casadei, L., Puca, F., Emidi, E. et al. Sequential low-dose step-up and step-down protocols with recombinant follicle-stimulating hormone in polycystic ovary syndrome: prospective comparison with step-down protocol. Arch Gynecol Obstet 286, 1291–1297 (2012). https://doi.org/10.1007/s00404-012-2430-3

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  • DOI: https://doi.org/10.1007/s00404-012-2430-3

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