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Award age maternity france: what:
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In 2023. Moreover, women have on average their first child at 29.1 years, 5.1 years later than in 1974 and 0.9 years more than in 2013. Meanwhile, said the National Institute of Statistics and Economic Studies (INSEE) in a new report published on July 16, 2025.
The average age of mothers at the birth of their first child continues to retreat – Award age maternity france: what
This tendency to decline in the age of maternity has been observed since the late 1970s. Similarly, in award age maternity france: what France as in the whole of the European Union. Meanwhile, In 2023, 10 % of the first births concerned mothers aged 36 or over. Moreover, 3.6 % of the first births came from mothers at least 40 years old. For example, This part remains weak, even if it has increased since 1967 where it was 1 %.
This postponement of age to the first maternity logically shifts age to the following maternities. Furthermore, Mothers who gave birth to their second child in 2023 were aged 31.6 years on average in 2023. Meanwhile, And those who gave birth to their third baby was on average 33.1 years. Furthermore, This age is also higher than in the past.
Pregnancies after 35 years, what risks? – Award age maternity france: what
Data from the scientific literature are consensual: a high maternal age after 35 years. For example, a fortiori after 40 years is a risk factor for complications during pregnancy, award age maternity france: what childbirth and for children.
The authors of a recent study (2021) from data of 27. Consequently, 455 unique births followed between 2007 and 2018 concluded: “ The analyzes have revealed an increase in the levels of hypertensive disorders, diabetes mellitus, trigger for work and cesarean section after 35 years. Therefore, “It is even more true after 40 years vis-à-vis” Risks of fetal death. neonatal hospitalization, small for gestational age, placenta previa, childbirth with instruments, maternal admission to intensive care unit and postpartum hemorrhage. »
An increased risk of miscarriage
Late pregnancies are accompanied by a clear increase in the number of false layers. in connection with the higher frequency of chromosomal anomalies and associated malformations. At 30, the miscarriage rate is estimated at 15 %, compared to 30 % after 40 years (or even 50 % at 42, in certain studies).
Women over 35 years old would also have a three award age maternity france: what to four -time higher risk of developing gravidic high blood pressure. Préclampsia rates (pregnant hypertension reflecting renal damage and increased risk of complications for mother and child) are also higher.
Gestational diabetes. one of the main risks
From the age of 35, the risk of developing gestational diabetes is multiplied by three, due to a decrease in insulin secretion and sensitivity to this hormone with age. However. women who have presented gestational diabetes have a risk of ten times higher to develop type 2 diabetes compared to others. Their risk of metabolic syndrome is multiplied by two to five, while that of cardiovascular disease is almost doubled. For the baby. the risk of fetal macrosomy – weight greater than 4 kg -Auch, which can complicate childbirth, sometimes going so far as to put the child in danger.
Placenta Prævia. Cesareannes…
– women over 40 have a risk multiplied by nine from placenta award age maternity france: what prævia (placenta located abnormally low in the uterus, which can cause bleeding before childbirth).
– pregnancies after 35 years also seem more exposed to the risk of cesarean section than those of younger women (multiplied by two to three. according to some studies).
– maternal mortality increases after 35 years in connection with certain pre -existing pathologies. such as hemorrhages, strokes, hypertension -related disorders, amniotic embolisms and infections. Please note. despite these risks, these complications remain excessively rare, especially in developed countries where rigorous medical monitoring allows effective management.
– With advanced maternal age, the rate of chromosomal anomalies increases. Trisomies 13, 18 and 21 are the most frequently observed. The risk of Down’s syndrome. estimated at one in 1,000 birth in mothers aged 30, increases at one in 50 birth in those of 42 years.
– The prevalence of intrauterine growth delays would be linked to the modification of award age maternity france: what uterine vascularization with age. which also decreases the irrigation of the fetus. This can affect its growth and development. Hence specific monitoring during pregnancy.
– Most studies show that premature work (before 37 weeks of amenorrhea) is more frequent during a late pregnancy. especially in primipars (which give birth to their first child).
-The proportion of low-weight newborns, less than 2.5 kg, as well as that of so-called macrosomal newborns, weighing more than 4 kg, would increase in late pregnancies.
Do not stigmatize women
These increased risks should in no case stigmatize women. whose time designing a child is a personal choice, shared with their partner. Nor is it a question of waving this data as an incentive to conceive earlier. but simply to expose a scientific reality. A narrow screening. monitoring of preexisting maternal pathologies, the progress of pregnancy and fetal growth, as well as a good lifestyle, makes it award age maternity france: what possible to prevent these risks significantly.
Source: a first child at 29.1 years in 2023: an age which continues to increase Insee Focus no 356 published on: 07/16/2025; Guarga Montori puts al. Advanced Materal Age and Adverse Pregnancy Outcomes: A Cohort Study. Taiwan j obstet gynecol. 2021 Jan; 60 (1): 119-124; CNGOF, health insurance Ameli; Thesis “Medical and psychological impact of pregnancies after 35 years”, by Mélanie Lottin (2019); CNGOF recommendations “Hypertension and pregnancy” (2016-2020 update); Sfhta
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