According to researchers from the Universities of Glasgow and Bristol (Great Britain), infertile couples who have attempts at in vitro fertilization should neither be too impatient nor give up after the 4 attempts covered by the Health Insurance because the two thirds of couples have a baby after 6 attempts.
In Britain, as in France, IVFs are usually stopped after three or four unsuccessful embryo transfers. However, a British study published in the Journal of the American medical association (Jama) “confirms the effectiveness of the extension of the number of cycles” underlines Pr Debbie Lawlor, main author of this study.
This study looked at the probability of obtaining a live birth from several cycles of IVF. A cycle being defined as a treatment with hormones to stimulate the ovaries, the recovery of all these eggs and all the embryo transfers resulting from this unique hormonal stimulation.
The researchers calculated the rate of live births in each cycle as well as the cumulative probability of a live birth over several cycles of IVF up to 9. They found that in all women, the rate of live births for the first time. cycle was 29.5%. A figure that remains above 20% until (and including) the fourth cycle for women under 40. The cumulative number of live births continues to increase with 65% of women successfully having a baby after the 6th cycle. “It will take about two years but this rate is similar to that of couples without fertility problems, after a year of trying to have a baby,” adds the doctor.
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