IVF Stimulation Protocols and Outcomes in Women with Endometriosis

In: Endometriosis-related Infertility · 2024 · pp. 199–207 · doi:10.1007/978-3-031-50662-8_15 · W4392309798
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Different IVF stimulation protocols, including long, antagonist, and progesterone primed only, have varying success rates for women with endometriosis, and early intervention is recommended.

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This 2024 chapter reviews how different ovarian stimulation approaches for IVF in women with endometriosis compare in outcomes, focusing on long (GnRH agonist) versus antagonist protocols and newer progesterone-primed only (PPOS) strategies, alongside the impact of advances like embryo vitrification. It synthesizes evidence suggesting that no single protocol has been proven superior, while noting that antagonist regimens are shorter and described as safer, and PPOS may offer safety and cost/compliance advantages. A key caveat stated is that the evidence base remains unsettled—ongoing debate persists—and protocol comparisons may not yield a clear winner across studies. This paper is centrally about endometriosis — it reviews IVF stimulation protocol choices (long vs antagonist vs PPOS) and their reported outcomes in women with endometriosis.

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Abstract

Endometriosis is a complex disease by itself. When considering fertility, corrective surgeries may compromise the outcome of these women. Different protocols with varying success rates have been evaluated. The long-standing debate between the long protocols, which offers the benefits of a prolonged suppression of the pituitary, or the antagonist protocols, which are shorter and have the added safety benefit, is slowly addressing to the antagonists. The great advances observed with vitrification techniques have led to the use of newer methods of ovarian stimulation (OS) like the progesterone primed only (PPOS) protocol which offers the safety benefit while also being cheaper with better patient compliance. No protocol has been proved to be superior to the others. Early intervention with in vitro fertilization, irrespective of the protocol, can give these women early and good results. Access this chapter Tax calculation will be finalised at checkout Purchases are for personal use only Similar content being viewed by others

References

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