Freezing eggs for IVF could not be helpful: Research
According to recent studies, IVF success rates drop from approximately 24% in women who are 38-39 years old to almost 1% among those having age 44 and more. A new study has come up with a solution for older women who are in hopes of conceiving by making use of the alternative fertility treatment.
The study has been published in the Journal of Endocrinology. Scientists found in the study that cells that help in the developing eggs become less efficient after age of 43 years. As a result of this, development of the eggs is hindered by hormones, which are generally released only after ovulation. As per a news release, if eggs are drawn from smaller follicles in IVF at an earlier stage, it could reduce this risk and increase the possibility of embryos with better quality.
According to Dr. Yanguang Wu, embyrologist and associate scientist at the Centre for Reproductive Medicine, "We used to think that aging eggs were responsible for poor IVF success rates in older women, but here we show that it is more due to the aging of the egg's environment”.
As per reports, Wu and his colleagues compared the reproductive tissue of females having ages 21 to 29, 30 to 37, and older patients that are infertile having ages 43 to 47. They did that in order to study the reason behind fall in IVF success rates as women become old. It has been found that granulosa cells that help in growth of eggs inside the ovary had less chances of multiplying in the older women than the younger groups.