Potential Effects of Fertility Treatments on Child Development Disappear in Adolescence

Potential Effects of Fertility Treatments on Child Development Disappear in Adolescence

PARIS, July 28. (Benin News) –

New research has confirmed that differences in growth, weight and body fat levels of children conceived through fertility treatment are small and no longer evident by late adolescence.

The study conducted by the University of Bristol (UK), published in the journal “JAMA Network Open”, aimed to answer the question whether fertility treatment is associated with growth, weight and body fat from childhood to early adulthood.

Since the first birth of a child through in vitro fertilization (IVF), questions have been raised about the risks to children conceived this way. Although previous studies have shown an increased risk of low birth weight and preterm birth in children conceived through assisted reproductive technologies (ART), relatively little is known about long-term growth and weight gain. term.

The study, conducted by an international research group from the Cohort Collaboration on Assisted Reproductive Technology and Future Health (TRA-Health), assessed whether conception through assisted reproduction, which primarily involves IVF, was associated with growth, weight and body fat from childhood to early adulthood.

The data sample included 8,600 children from the Bristol Children of the 90s Study, a leading Bristol-based health study that has followed 14,000 pregnant women and their offspring since 1991.

The team’s results show that PMA-conceived people were, on average, shorter, lighter and thinner from infancy through early adolescence, compared to their naturally-conceived peers. However, the differences were small at all ages and decreased with age.

Dr Ahmed Elhakeem, senior associate researcher in epidemiology at the Bristol School of Medicine: Population Health Sciences (PHS) at the University of Bristol, and lead author of the study, says it is a “work important “.

“Over the past three decades, conception through antiretroviral therapy has increased. In the UK, just over 1 in 30 children have been conceived by TAR. It can therefore be expected that, on average, one child per primary school class has been conceived in this way. Since the first IVF birth, concerns have been raised about the risks to the conceived children,” he points out.

“Parents and their ART-conceived children can be reassured that they may be a little smaller and lighter from infancy through adolescence, but these differences are unlikely to have health consequences,” she says. We recognize that it is important, as more people conceived through ART become adults, to continue to explore any potential health risks in later life.

Peter Thompson, chief executive of the Human Fertilization and Embryology Authority (HFEA), recalls that in the UK alone, “around 1 in 7 couples have difficulty conceiving, leading to around 53,000 patients each year undergoing fertility treatment (IVF or donor insemination). The results of this study will bring relief to those patients entering treatment with the hope of one day having healthy children of their own.”

The researchers note that studies with larger sample sizes and older ages are now needed. Other outcomes, such as cardiometabolic risk factors after ART, should also be investigated.

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