Female fertility newsflash! - Macleans.ca
 

Female fertility newsflash!

Women lose 90 per cent of their “eggs” by age 30


 

Scottish scientists have finally figured out why female fertility drops off so rapidly with age: a woman’s “ovarian reserve,” or the potential number of eggs she is born with, declines by almost 90 per cent by age 30. The study from the University of St Andrews and Edinburgh University found that most women are born with 300,000 potential egg cells but by age of 30, only 12 per cent are left on average; by age of 40, the reserve is down to just three per cent.  Though women continue producing eggs throughout their 30s and 40s, the reservoir of potential eggs from which they are taken shrinks to almost nothing. And though the body chooses the best eggs from the reserve, the likelihood is that the quality of the eggs will suffer with age, increasing the difficulty of conception and the risk of an unhealthy baby. The lesson, says study co-author Dr Hamish Wallace, is that women shouldn’t wait too long to try to conceive: “Our research shows that they are generally over-estimating their fertility prospects.

The Telegraph


 
Filed under:

Female fertility newsflash!

  1. Assisted reproductive technologies (ART) increase the risk for pregnancy complications. Many of these complications are due to the multiple births associated with ART treatments. According to a study in Obstetrics and Gynecology, patients who receive in vitro fertilization (IVF) or fertility drugs are at increased risk for:

    * Pre-eclampsia (high blood pressure during pregnancy)
    * Gestational diabetes (diabetes during pregnancy)
    * Placental abruption (placenta becoming detached from the uterus)
    * Placenta previa (placenta developing in lower section of uterus)
    * Miscarriage in last trimester
    * Cesarean section

  2. It’s really high time that journalists began to challenge the language used to study and report on women’s health. For eggsample, the article linked to and it’s summary published here never once use the word ‘follicle’. The ‘reserve’ of ‘eggs’ from which ‘eggs’ are ‘taken’ is? Scientist’s will be almost as unhelpful with their definitions, naming the ‘reserve’ to be the number of ‘egg producing’ follicles. Maclean’s here reported not too long ago that mice who fasted experienced an increase in ‘egg producing follicles’. Some brief research revealed to me that most studies of ovaries are made with electively removed ovaries. common knowledge tells me that human females are the only mammals who fail to reroduce until death. Now then , given the notion that diet and lack of study of healthy ovaries may make this trotting false and misleading.

  3. This is great information. Thanks for sharing this.