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Related Concept Videos

In Vitro Fertilization01:24

In Vitro Fertilization

In vitro fertilization (IVF) is a form of assisted reproductive technology where an egg is fertilized with sperm in a controlled laboratory environment before transferring the resulting embryo into the uterus. This process is designed to help individuals and couples experiencing difficulties conceiving.
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Female infertility is defined as the inability to conceive after a year of regular, unprotected intercourse and affects about 10–15% of couples worldwide. The primary cause of female infertility is ovulatory disorders, which hinder the release of eggs. These disorders can be classified as hypothalamic amenorrhea, polycystic ovarian syndrome (PCOS), premature ovarian failure, and hyperprolactinemic anovulation disorders.
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Related Experiment Video

Updated: Jun 24, 2026

Fertility Preservation in Patients with Severe Ovarian Dysfunction
12:03

Fertility Preservation in Patients with Severe Ovarian Dysfunction

Published on: March 25, 2021

First Irish birth following IVF therapy using antagonist protocol.

E V Mocanu1, N Kondaveeti, J Kelly

  • 1HARI Unit, Rotunda Hospital, Dublin 1, Ireland. emocanu@rcsi.ie

Irish Journal of Medical Science
|April 7, 2009
PubMed
Summary

This case study details a successful in vitro fertilization (IVF) pregnancy using a gonadotropin-releasing hormone (GnRH) antagonist protocol. The patient delivered healthy twins, highlighting the efficacy of GnRH antagonist therapy in IVF.

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Last Updated: Jun 24, 2026

Fertility Preservation in Patients with Severe Ovarian Dysfunction
12:03

Fertility Preservation in Patients with Severe Ovarian Dysfunction

Published on: March 25, 2021

Area of Science:

  • Reproductive Endocrinology
  • In Vitro Fertilization (IVF)

Background:

  • Traditional premature luteinizing hormone (LH) surge prevention in IVF used gonadotropin-releasing hormone agonists (GnRH-a).
  • GnRH antagonists offer a more recent alternative for LH surge suppression during controlled ovarian hyperstimulation.

Observation:

  • A 37-year-old woman with primary infertility underwent a second IVF cycle.
  • The patient had a 5-year history of infertility attributed to a frozen pelvis secondary to endometriosis.

Findings:

  • Controlled ovarian hyperstimulation, oocyte retrieval, fertilization, and embryo transfer were performed.
  • A successful pregnancy was established, resulting in a twin gestation diagnosed at 7 weeks.
  • The pregnancy concluded with the delivery of twin girls via emergency cesarean section.

Implications:

  • This represents the first reported delivery following IVF using a GnRH antagonist protocol in Ireland.
  • GnRH antagonist protocols are patient-friendly and suitable for wider clinical adoption.
  • This case supports the use of GnRH antagonists for successful IVF outcomes, even in complex infertility cases.