20.05.2015

Chances of getting pregnant after ivf

When couples are trying on their own to get pregnant the fertility issue that reduces chances for success is related to the quality of the eggs. Although these age and fertility statistics are specifically about IVF success, there is a similar loss in fertility potential with aging in the general "normal fertile" population.
Another point shown here is that there not a substantial decline in success by age of the recipient woman with donor egg IVF. The national summary (as well as clinic specific results) of IVF success rates for cycles done in years 1995 through 2012 are posted on the CDC website.
All clinics have some upper age limit after which they will not perform in vitro fertilization with the woman's own eggs. In some instances from the research, the parents had had another child previously using in vitro fertilization (IVF) -- while in other cases the couple had a baby even after an unsuccessful experience with IVF. To get a better sense of how frequently people going through IVF end up having babies without extra help, Troude and her colleagues collected information on about 2,100 couples who had begun fertility treatment in France in the early 2000s. Among the parents who'd had a baby through IVF, 17 percent later had another child without assistance. For instance, among women younger than 35 with unexplained infertility, 45 percent became pregnant after failing to have a baby through IVF. Troude said unexplained infertility could be a good sign for couples' chances of having a baby, compared to those who have a clear reason for not initially getting pregnant.
Another recent study found that among couples who hadn't been able to get pregnant after a year or more of trying, 44 percent of those who opted against fertility treatment still ended up having a baby eventually (see Reuters Health story of February 2, 2012). Still, it would be difficult to use the new findings to determine which couples might benefit from a wait-and-see approach, and which couples should proceed with IVF, Troude said. Troude added that the decision is made all the more challenging given that as a woman ages, her chances of conceiving decline.


People were sympathetic but at no point was it even suggested that, were I to meet a man, I had anything more than an outside chance of conceiving — and only then with the help of IVF. Despite a trouble-free pregnancy, I could sense a feeling of caution whenever I went for a scan or a check-up, as if my pregnancy were a freak accident that was bound to end in tears.
The graph below shows information about miscarriage rates after IVF (using own eggs) from the 2012 CDC report. Miscarriage rates would be higher if early miscarriages (such as "chemical pregnancies") were included. With treatments such as IVF, the issue that holds back success potential is both egg quality and egg quantity.
With IVF treatment we hope to get multiple embryos so we can choose the best ones from a group for transfer back to the uterus.
However, when going through a fertility treatment such as IVF, the quantity of eggs remaining influences response to ovarian stimulating medications.
This report was generated from national data from hundreds of clinics and well over 100,000 IVF cycles. And among couples who originally failed to have a baby with fertility treatment, 24 percent went on to have one from a spontaneous pregnancy. Johannes Evers, a professor of obstetrics and gynecology at Maastricht University Medical Center in the Netherlands, said that couples' behavior can explain why people whose IVF didn't work out had a higher rate of natural pregnancies afterward. Men and women who were younger had a better chance of having a baby naturally, as did couples whose infertility didn't have a clear cause. Various experts had told her that her eggs would be too old or that IVF would represent her only chance of conceiving, but despite that she fell pregnant naturally — twice — once, with twins, that she sadly miscarried, and subsequently with an ectopic pregnancy that resulted in the removal of one of her Fallopian tubes. This results in lower chances for getting pregnant at all, as well as increasing the risk of miscarriage.


Note the similarity in the shape of the curve in the graph above to the one below showing the rate of chromosomal abnormalities in IVF embryos by age. The graph below shows the rate of chromosomally abnormal IVF eggs by female age (approximate and compiled from several studies). And it seems my experience certainly isn’t unusual.Jan Andersen, a freelance writer and editor, discovered she was pregnant at 40. Embryos that have normal chromosomal analysis after PGS have a very high potential for implantation and live birth. But a month later she was pregnant again — and in January this year Deborah gave birth to her son, Oliver. It wasn’t until someone commented on my new cleavage that it occurred to me to take a pregnancy test.
I took four home pregnancy tests — all positive — before I made an appointment to see my GP. When she didn’t conceive, she was given the fertility drug Clomid and, a year later, had IVF. By the time Nicole was 42, she had been through IVF six times and describes herself as ‘emotionally and financially exhausted’.  Then she read about CARE Fertility in Nottingham, offering fertility treatment for women over 40.



Conceiving a baby with one fallopian tube
Possibly pregnant at 40 forum
Pregnancy probability at 43
Pregnant and 47 years old


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