A study by a Viennese research team shows that late first births are associated with health risks in rich countries. The reasons for this include longer training paths, a changed social role model and the professional situation of young women.
The older age of the mothers, however, increasingly leads to early births, caesarean sections and a lower birth weight of the newborns.
For a study*the data of mothers and their first children (6831 babies), who were born in the Donaustadt Clinic between 2010 and 2019, were analyzed.
The reasons: changes in the social and economic environment, a new concept of roles of young women, the desire for self -fulfillment and professional success outside of motherhood, family and household, longer training times and a more intensive professional lifespan play in the game.
Older first bonder – increased risk
At the same time, this means an increase in old mothers and possible health risks.
More early births, more caesarean sections
“First-child ended at the age of 35 and older have statistically frequent early births with a 1.32-time risk (compared to 20 to 34-year-olds; comment) for women between 35 and 39 years and 2.35 times risk for women 40 years and older.
- In vitro fertilization: In the case of initials between 35 and 39 years, this percentage was already 15.1 percent, among 40-year-olds and even older.
- Nasty Premature birth In the first group there were 6.5 percent of the mothers who expected, 8.4 percent of 35 to 39-year-olds and ultimately 14 percent of the older first.
- Planned Caesareans There was a frequency of 6.3 percent (caesarean emergency situation: 11.8 percent) in the comparison group, among 35 to 39-year-olds, the rate was 10.3 percent (planned) or 17.6 percent (emergency situation) and among even older women with a frequency of twelve percent (emergency).
- Less than 2500 grammar 5.8 percent of babies in the comparison group, 8.3 percent of babies from 35 to 39-year-old women and ultimately 14.3 percent of newborns in the group of the oldest women.
*The scientists had chosen 20 to 34-year-olds from first giant as a comparison group and compared the data from 35 to 39-year-old mothers and from women older than 40 years with their first child. The team of authors around Sylvia Church Guest of the Department of Evolutionary Anthropology of the University of Vienna has published his research in the American Journal of Human Biology (Doi: 10,1002/AJHB.70037).
Source: Krone
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