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Related Concept Videos

In Vitro Fertilization01:24

In Vitro Fertilization

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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.
The IVF process begins with ovarian stimulation, during which reproductive endocrinologists prescribe hormonal medications to stimulate the ovaries to produce multiple eggs instead of the single...
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Related Experiment Video

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Minimally Invasive Embryo Transfer and Embryo Vitrification at the Optimal Embryo Stage in Rabbit Model
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A prospective study comparing two embryo-transfer soft catheters.

Emily De Conto1, Artur K Schuster1, Vanessa K Genro1

  • 1Federal University of Rio Grande do Sul - UFRGS - Porto Alegre - Brazil.

JBRA Assisted Reproduction
|June 14, 2017
PubMed
Summary

This study found no significant difference in pregnancy rates between the TDT and Cook Sydney IVF catheters during embryo transfer in assisted reproductive technology cycles. Both soft catheters demonstrated similar efficacy for achieving positive pregnancy outcomes.

Keywords:
Cathetersassisted reproduction technologyembryo transferpregnancy rate

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Area of Science:

  • Reproductive Medicine
  • In Vitro Fertilization

Background:

  • Assisted reproductive technology (ART) cycles involve embryo transfer, a critical step influenced by catheter choice.
  • Soft catheter selection may impact reproductive outcomes, necessitating comparative studies.

Purpose of the Study:

  • To compare the reproductive outcomes of two soft embryo transfer catheters: Set TDT® and Cook® Sydney IVF.
  • To determine if there is a significant difference in positive pregnancy rates between the TDT and Cook Sydney catheters.

Main Methods:

  • A prospective study involving 68 patients undergoing in vitro fertilization (IVF) cycles.
  • Patients were divided into two age-matched groups (n=34 each) using either the TDT or Cook Sydney catheter for embryo transfer.
  • Pregnancy was assessed via a positive β-human chorionic gonadotropin (β-hCG) test 12 days post-transfer.

Main Results:

  • The TDT group achieved a positive pregnancy rate of 29.4% (10/34 patients).
  • The Cook Sydney group achieved a positive pregnancy rate of 26.5% (9/34 patients).
  • No statistically significant difference (p>0.05) was observed in pregnancy rates between the two catheter groups.

Conclusions:

  • The TDT and Cook Sydney catheters exhibit similar efficacy for embryo transfer in ART cycles.
  • Catheter choice between TDT and Cook Sydney does not appear to significantly influence pregnancy outcomes in this study population.