The mean age at childbirth in Europe has gradually increased, and it is now around 29
years of age. It has been shown that older maternal age is associated with problems of …

BACKGROUND There is a global tendency for parents to conceive children later in life. The
maternal dimension of the postponement transition has been thoroughly studied, but interest …

After decades of fertility postponement, we investigate recent changes in late parenthood
across low‐fertility countries in the light of observations from the past. We use long series of …

To examine the contributions of maternal and paternal age on offspring externalizing and
internalizing problems, this study analyzed problem behaviors at age 10–12 years from four …

Immigrant women who have lived longer in a destination often have relatively low levels of
fertility, which is sometimes taken as evidence of the adaptation of behavior. This evidence …

The demographic shift currently being observed across many Western countries towards
older-parenthood has contributed to increasing concerns about the risks posed by age …

The last several decades are notable for an increase in the percentage of births attributable
to men in their 40s and 50s. There is general recognition of offspring health risks related to …

Background Sex chromosome trisomies (47, XXX, 47, XXY and 47, XYY) are known to be a
risk factor for language disorder, but it is hard to predict outcomes, because many cases are …

Background The transition to parenthood is characterized by far-reaching changes in life.
However, little prospective-longitudinal evidence from general population samples exists on …

Objectives We introduce a “childbearing biography” approach to show how multiple
childbearing characteristics cluster in ways significant for midlife health. Methods We …