Half of women over 35 who want a child don’t end up having one, or have fewer than they planned

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Single women are increasingly using donor sperm to give birth to babies. Credits: Shutterstock

At the age of 35, one in four Australian women and one in three men wanted to have one or more children in the future. But by the age of 49, about half report that they do not yet have the desired number of children.

according to it Australian household, income and workforce dynamics (HILDA) 2021 report released today. For over 20 years, HILDA has tracked more than 17,500 people in 9,500 households.

Some 49-year-old men may have their children as fathers in later years, but this is unlikely to be the case. woman At that age.

Australia and others High-income countries, Has a long-term downtrend birthrate: Average number of births per female. Australia hit a record low in 2019 1.66 babies per female..

Low fertility is partly the result of more people No children, Depending on your choice or situation.About a quarter of Australian females during the breeding season Have no children..

Why are there so few female children?

There are many reasons why there are fewer or fewer children than planned towards the end of the breeder season.

One of the factors is that the average age at which a woman gives birth to her first child has increased in the last few decades and is now almost the same. 30 years..This is partly explained by the fact that women spend more time on education and workforce than women. Used to..

Another reason is that some women can’t find it Appropriate partner Or you have a partner who doesn’t want to be a parent or is “not ready”.

It is also possible Limited knowledge As for the factors that influence childbirth, you will miss the originally planned number of children.

But for whatever reason, having children in later years inevitably affects the final number of children people have. Most women who give birth will succeed, but some will not succeed and others will have fewer children than planned.

Half of women over the age of 35 who want children have no children or are less than planned

Credit: Victorian Assisted Reproductive Treatment Authority

Birth rate declines with age — IVF success also declines

As women grow older, they are at increased risk of not being able to become pregnant because of the reduced number and quality of eggs.

By the age of 40, a woman’s childbirth will be about half the level she had when she was. 30..And sperm quality also declines with age 45 years old..

Increasingly, people struggling to get pregnant are looking to assisted reproductive technology (ART) such as in vitro fertilization (IVF).

According to the report, the number of treatment cycles in the 2020-2021 fiscal year increased by 27% compared to the previous year. Data released today According to Victorian Assisted Reproductive Treatment Authority (VARTA).

Unfortunately, IVF is not a good backup plan for age-related infertility.

Researchers at the University of New South Wales, on behalf of VARTA, tracked thousands of women who launched IVF in Victoria in 2016 to see what had happened by June 30, 2020. The graph below shows 1, 2, or 3 stimulated IVF cycles. This includes the transfer of all fresh and frozen embryos resulting from these.

Women who started IVF at the age of 30 had a 48% chance of having a baby after being stimulated. cycle, 62% probability after 2 cycles, 67% probability after 3 cycles.

However, for women who started IVF at age 40, there was a 13% chance of having a baby after one stimulation cycle, a 21% chance after two cycles, and a 25% chance after three cycles.

Childbirth options over 35 years old

So what are the options for women in their mid-30s to have children? Children??

NS Victorian Assisted Reproductive Treatment Authority data Reveals that some women are not waiting to find a partner. Over the four years, single women who use donor sperm to give birth increased by 48%, and same-sex couples increased by 50%.

However, the number of men who donate sperm remains the same in Victoria, so there is currently a shortage of donor sperm.

The option of freezing eggs for later use is also being used by more and more women. Currently, about 5,000 women in Victoria store frozen eggs, an increase of 23% over the previous year.

However, preserving eggs offers a baby’s chance, but it is Not a guarantee..

For women in their 40s, using eggs donated by young women increases the chances of having a baby. Our study showed that women over the age of 40 who used donor eggs were five times more likely to give birth than women who used egg donors. My egg..

But it is possible to find a woman who will donate eggs difficult..Most women who use the donated eggs recruit their own donors, and some women egg Import from overseas Egg bank..

So people may think that pregnancy will occur as soon as you stop contraception, but giving birth to a baby is not. Not always easy..


How likely is it to give birth to a second IVF baby after the first birth treatment?


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Quote: Half of women over the age of 35 who want children have no children or are less than planned (7 December 2021) 7 December 2021 https://medicalxpress.com/news / 2021-12-Obtained from women-child-dont.html

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