My Lords, I shall detail the House only briefly. I am most concerned about this issue. I fear that the Government have completely
overlooked a very important point. You are not just detaining a pregnant woman, you are detaining the foetus inside that pregnant woman. The effect on that foetus is something about which science is increasingly concerned. The recent science of epigenetics tells us clearly that the foetus at certain stages during pregnancy is extremely vulnerable to the environment of the mother. Indeed, I have been involved in this area of research at Imperial College, and I shall refer briefly to research going on not only at Imperial but at the University of Singapore, which I shall visit later this week, and McGill University in Canada, among other places.
It turns out that at a certain stage in pregnancy, if a woman’s stress hormones, particularly cortisol, are raised, the effect on the foetus may be profound. Working after the ice storm in Ontario some years ago, Michael Meaney undertook cognitive tests on infants aged five, who had effectively been interned within their own houses because of the darkness and lack of electricity over a period of time. He found significant cognitive impairment. There is also some evidence that after massive stress to the mother, some children may behave aberrantly when they grow up —particularly, for example, being more aggressive.
Unfortunately, at this stage the science is not absolutely clear but there is a massive amount of evidence from work on rodents and some other animals. The evidence from human work is increasingly that certain stages of pregnancy—for example, once the foetus is identifiable in the uterus, usually at around 22 to 26 weeks—are a particularly vulnerable time. That is when stressing a woman may have a severely adverse effect.
For that reason, the Government need to recognise that they may be responsible for a heritable effect on that child and possibly even on the grandchildren of the mother. Until that is firmly worked out, I beg the Government to consider that internment, if it must be done at all, must be done only under the most serious circumstances. We cannot go back for women who have previously been detained in prison and other places, but in future we must make sure that we make law which is humane and amendable, so that we cause the minimum amount of damage to future generations.