The Effect of Age on Fertility: Age has an effect on fertility because with time, the body gradually starts to prepare for menopause.
Fertility does not remain the same in women before menopause. The difficulty is that there are no outward physical signs that show or keep reminding a woman of her declining ability to conceive. A woman continues having her periods before she reaches menopause but her fertility starts to go down many years earlier than that. At around 30 years of age, the rate of live birth in women starts to decline.
If taken month by month, the chances that a woman will conceive are 20 per cent when she is 30, and it falls to 5 percent per month when she is 40. The relation between age and fertility is evident because older women are more likely to suffer from biological problems.
Quality of egg produced and the quantity
As you age, your body produces lesser eggs and whatever is produced, they are not of the same quality as produced when you were younger. As you reach the age of 30, the egg quantity and quality start to decline and this goes on till your menopause. Moreover, your periods are likely to become irregular increasingly with your aging process.
Chromosomal abnormalities linked with aging
The chromosomes of your eggs are inclined to develop abnormalities with your advancing age. Not only are your chances of getting pregnant diminish, but the risk of miscarriage is more too. Actually, half of all miscarriages occur because of abnormal chromosomes of the eggs, although aging is also responsible for miscarriage.
Women The risk of miscarriage also increases with age. Several studies show that a woman under 30 years old has a 5 percent chance of having a miscarriage. Wait until you’re 35-39 years old to get pregnant and that risk increases to 16 percent. If you’re 44-46 years old, you have a 60 percent chance of having a miscarriage.
All these fertility problems tie in together. Older women have an increased risk for miscarriage due to the increase in chromosomal abnormalities in their eggs. In addition, lower quality eggs also raise the risk of chromosomal abnormalities and miscarriage.
IVF Success and Age
Fertility clinics usually allow a woman to use her own eggs only until somewhere between the ages of 42 and 45. One way to try to overcome the effects of aging on fertility is through the use of fertility treatments like in vitro fertilization (IVF) or third party reproduction such as egg or embryo donation.
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