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[Gamete donation in an in vitro fertilization program]

L Z Zhang1

  • 1Third Affiliated Hospital, Beijing Medical University.

Zhonghua Fu Chan Ke Za Zhi
|December 1, 1993
PubMed
Summary
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Gamete donation in in-vitro fertilization (IVF) successfully enabled pregnancy in two cases involving recurrent abortions and chromosomal abnormalities. Egg and sperm donation via IVF provided viable reproductive options for these couples.

Area of Science:

  • Reproductive Medicine
  • Human Genetics
  • Assisted Reproductive Technologies

Context:

  • Recurrent abortions and chromosomal abnormalities pose significant challenges to natural conception and successful pregnancy.
  • In-vitro fertilization (IVF) offers advanced solutions for infertility and genetic concerns.
  • Gamete donation (oocytes and sperm) is a key component of assisted reproductive technologies.

Purpose:

  • To report two successful cases of gamete donation within an IVF program.
  • To illustrate the application of IVF with donated gametes in managing complex reproductive issues.
  • To discuss meiotic processes in carriers of chromosomal translocations and the role of IVF.

Summary:

  • Case 1: A woman with a karyotype of 45,XX,-14,-14 + rob (14 Q 14 Q) conceived via IVF with donated ova, delivering a healthy baby. DNA fingerprinting confirmed parentage despite ABO blood group incompatibility.

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  • Case 2: A woman with a history of recurrent abortions and a husband with a balanced translocation (46,XY, t(4; 9) (4Q+; 9Q-)) successfully conceived twins through IVF with donated sperm after multiple failed intrauterine inseminations.
  • The study highlights the efficacy of IVF and gamete donation in overcoming severe reproductive barriers, including chromosomal abnormalities and male infertility.

    • Impact:

    • Demonstrates the crucial role of IVF and gamete donation in achieving successful pregnancies for couples with severe infertility and genetic conditions.
    • Provides evidence for the utility of IVF in cases of recurrent abortions due to chromosomal abnormalities.
    • Establishes IVF with donated gametes as a viable option for family propagation when natural conception or other methods fail.