Children born using IVF are likely taller

Children born using in-vitro fertilisation (IVF) are likely to be taller than their naturally conceived counterparts, New Zealand researchers have found.

The study by Auckland University's Liggins Institute found IVF children conceived from fresh, rather than frozen, embryos were about 2.6 centimetres (1.02 inches) taller than non-IVF children by the age of six.

The research, which examined about 200 children, found the height difference was statistically significant, even after adjusting for variables such as the parents' height.Liggins Institiute director Wayne Cutfield said the phenomenon was most striking in girls.


Cutfield said appeared IVF children from fresh embryos had a different hormone profile to regular children, which could promote growth.

This could be caused by the drugs mothers took to induce ovulation during the conception process or by the culture medium the embryos were developed in for 36 hours before being transferred to the womb, he said.

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Source: http://www.aboutthehealth.com/2010/10/children-born-using-ivf-are-likely.html

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