Children born after unplanned pregnancy are slower to develop
Children born after unplanned pregnancies tend to have a more limited vocabulary and poorer non-verbal and spatial abilities; however this is almost entirely explained by their disadvantaged circumstances, according to a new study published in the British Medical Journal today. The same study reported no adverse effects of infertility treatment on the children.
In the UK, as many as 30-40% of pregnancies that end in childbirth are unplanned, while the number of children born after assisted reproductive technologies is growing every year.
It is already known that children born after a prolonged time to conception or assisted reproduction are at greater risk of poor health outcomes, such as preterm birth, low birth weight, and congenital anomalies, and some researchers have reported lower cognitive (mental) scores in such children.
Unplanned pregnancies also have poorer outcomes, but there has been little research to assess whether child development is associated with pregnancy planning.
So a team of UK researchers set out to investigate how pregnancy planning, time to conception, and infertility treatment influence a child's cognitive development at three and five years old.
They analysed data from approximately 12,000 children from the Millennium Cohort Study, a large UK study of families and infants born in 2000-2. Parents who took part were interviewed when their child was nine months old and then revisited when the child was three and five years old.
Mothers reported whether the pregnancy was planned, their feelings when first pregnant, time to conception, and details of any infertility treatment.
Each child's verbal, non-verbal and spatial abilities were tested at age three and five using the British Ability Scales.
Initial analyses showed that children born after an unplanned pregnancy were four to five months behind planned children in verbal abilities, while children born after assisted reproduction were three to four months ahead.
However, these differences all but disappeared when the researchers took into account the socioeconomic circumstances of each child.
The authors conclude: "These differences are almost entirely explained by socioeconomic factors, providing further evidence of the influence of socioeconomic inequalities on the lives of children in the UK. To help children achieve their full potential, policy makers should continue to target social inequalities."
Provided by
British Medical Journal
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Jul 27, 2011
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I find it somewhat odd that they don't include children who were unplanned but given up for adoption. I'm willing to bet they don't fit this pattern, precisely because they aren't being (or haven't been) raised in "disadvantaged circumstances".
It is always pointless to generalize from a very small number of examples, but I'm going to anyways because the two children I know of who were both (A) unplanned, and (B) adopted, are actually ahead of the game and have been developing abilities and skills a bit earlier than normal. I'm pretty sure this also holds true for the adults I know who were adopted as children.
Jul 27, 2011
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