Kan moderkagen blive for gammel?
OK. Indrømmet. Det her indlæg er nok lidt til den nørdede side... :-) Men her er konklusionen fra Archives of Disease in Childhood - Fetal and Neonatal Edition:
"A review of the available evidence indicates that the placenta does not undergo a true aging change during pregnancy. There is, in fact, no logical reason for believing that the placenta, which is a fetal organ, should age while the other fetal organs do not: the situation in which an individual organ ages within an organism that is not aged is one which does not occur in any biological system. The persisting belief in placental aging has been based on a confusion between morphological maturation and differentiation and aging, a failure to appreciate the functional resources of the organ, and an uncritical acceptance of the overly facile concept of 'placental insufficiency' as a cause of increased perinatal mortality."
Det er jo rigtig rart at vide, at moderkagen ikke bare slår fra, når graviditeten rammer 42 fulde ugers længde, og du måske oplever stort pres fra dit fødested om at sætte fødslen i gang.