Tag Archives: chromosomes

Lagging chromosomes cause of female infertility?

Why do women over 35 have more difficulty getting pregnant? After discovering one of the causes of age-related female infertility, researchers at the University of Montreal Hospital Research Centre (CRCHUM) suggest that it will be possible in the future to … Continue reading

Posted in Uncategorized | Tagged , | Leave a comment

Research identifies a key player in fertility cell division

A research collaboration based in Kumamoto University in Japan has clarified how homologous chromosome pairing–a process necessary for sperm and egg formation where paternally- and maternally-derived chromosomes match and exchange genetic information during meiosis–attracts factors that play a monitoring role. This … Continue reading

Posted in Uncategorized | Tagged , , | Leave a comment

Recurrent miscarriage linked to chromosomal abnormalities

When a couple loses a pregnancy, and especially when the same couple loses multiple pregnancies, doctors are often at a loss to explain why. For about 40 to 60 percent of couples with recurrent miscarriage (RM), the condition remains unexplained, … Continue reading

Posted in Uncategorized | Tagged , , , , | Leave a comment

Research offers clues to women’s fertility changes over time

Throughout life, a woman’s fertility curve goes up and down, and researchers have now shown why. The results might have impact on fertility counseling and in the longer term for treatment of infertility. Researchers have mapped out some of the … Continue reading

Posted in Uncategorized | Tagged , , | Leave a comment

New technique may fix genetic cause of infertility

Scientists have created healthy offspring from genetically infertile male mice, offering a potential new approach to tackling a common genetic cause of human infertility. Our sex is determined by the X and Y chromosomes. Usually, girls have two X chromosomes (XX) and … Continue reading

Posted in Uncategorized | Tagged , | Leave a comment

Discovery could help improve IVF success rates

Scientists have discovered that chromosomal abnormalities in human embryos created for in vitro fertilization, or IVF, can be predicted within the first 30 hours of development from the union of a female egg and male sperm. This discovery, published in … Continue reading

Posted in Uncategorized | Tagged , , | Leave a comment

Understanding of birth defects

Researchers believe they may be closer to understanding why older mothers have an increased risk of giving birth to children with birth defects characterized by abnormal chromosome numbers. A team from the Albert Einstein College of Medicine of Yeshiva University, … Continue reading

Posted in Uncategorized | Tagged , , | Leave a comment