Female eggs exposed to THC, the psychoactive ingredient in marijuana, have an impaired ability to produce viable embryos, and are significantly less likely to result in a viable pregnancy, according to an animal study accepted ...
Apr 2, 2020
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(HealthDay)—For women undergoing in vitro fertilization (IVF), use of cryopreserved versus fresh donor oocytes is associated with marginally, but statistically significant, lower odds of a good perinatal outcome, according ...
Feb 14, 2020
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A UNSW researcher explores the biology of infertility, and explains how a recent study in mice contributes to our understanding of reproductive aging, with the aim of improving IVF success rates in humans.
Feb 12, 2020
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Females are born with a finite number of eggs that are steadily depleted throughout their lifetime. This reserve of eggs is selected from a much larger pool of millions of precursor cells, or oocytes, that form during fetal ...
Sep 27, 2018
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Excessive body fat is associated with negative effects on female fertility and pregnancy. In mice, maternal obesity impairs proper development of egg precursor cells called oocytes. In a recent paper published in Molecular ...
Aug 16, 2018
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A highly detailed study of how the roundworm C. elegans forms oocytes suggests that the egg-making process leads to the formation and subsequent destruction of cells with an extra nucleus, but that some cellular materials ...
Jul 19, 2018
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An estimated 10 percent of couples in the U.S. struggle with infertility. While a variety of factors can make it difficult for some people to get pregnant, ovulation disorders are a leading cause of female infertility. Now, ...
Apr 24, 2018
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Many chemotherapeutics act by damaging the DNA. Since cancer cells divide more often than most normal cells, they are more sensitive to DNA-damaging agents. One exception are oocytes. To prevent birth defects, they initiate ...
Apr 18, 2018
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Oocyte cryopreservation is on the rise, and whether a woman freezes her eggs before undergoing medical treatment that could leave her infertile or undergoes an elective procedure to avoid concerns about reproductive aging, ...
Nov 20, 2017
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(HealthDay)—The demand for fertility preservation is increasing, and methods to address it include oocyte cryopreservation and ovarian-tissue cryopreservation, according to a review article published online Oct. 25 in the ...
Oct 27, 2017
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