2、 What factors affect the success rate of IVF?

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What factors affect the success rate of IVF

IVF technology is a kind of assisted reproductive technology, which aims to help couples who are difficult to conceive naturally realize their reproductive aspirations. However, the success rate of IVF is not 100%, which is affected by many factors. The following will elaborate on the influence of these factors on the success rate of IVF from four aspects: treatment selection, patient age, body mass index and embryo quality.

1. Treatment options

There are two common treatments for IVF: in vitro fertilization (IVF) and single intrauterine injection of eggs or sperm (ICSI). It is very important for the success rate to select appropriate treatment methods according to different situations.

IVF is to combine the mature egg of the woman and the sperm of the man in an in vitro culture dish, cultivate the fertilized egg, and then transplant the fertilized egg into the woman's uterus to develop it into an embryo. IVF is applicable to fallopian tube blockage, polycystic ovary syndrome, etc.

ICSI realizes the fertilization process by injecting a single sperm into the egg. ICSI is suitable for poor sperm quality and insufficient sperm quantity.

Choosing appropriate treatment methods can maximize the success rate of IVF.

2. Patient's age

The age of women has a great influence on the success rate of IVF. The study found that the older the female, the lower the success rate of IVF. This is because as women grow older, their ovarian function gradually declines, and their egg quality will also be affected. For women under 35 years old, the success rate of IVF is about 40-50%, while for women over 40 years old, the success rate is only 10-20%.

Therefore, it is recommended that women consider IVF as early as possible before the age of 35 to improve the success rate.

3. Body mass index

The patient's body mass index (BMI) will also affect the success rate of IVF. The study found that patients with high or low BMI had a lower success rate.

High BMI will lead to changes in hormone levels, affecting ovarian function and egg quality; Low BMI may lead to insufficient ovarian function, abnormal ovarian cycle and other problems.

Therefore, maintaining an appropriate weight is essential to improve the success rate of IVF.

4. Embryo quality

Embryo quality is an important factor affecting the success rate of IVF. High quality embryos are easier to implant and develop after transplantation.

The quality of embryos depends on many factors, such as the quality of eggs and sperm, culture environment, etc. Patients can choose to conduct embryo quality assessment, so as to screen high-quality embryos and improve the success rate of IVF.

Summary

The success rate of IVF is affected by many factors, including treatment choice, patient age, body mass index and embryo quality. The success rate of IVF can be improved by selecting appropriate treatment methods, carrying out IVF as early as possible, maintaining appropriate weight and screening high-quality embryos.