Charley - so very sad, and I'm sorry you lost your DT1 - but thank you for posting that very enlightening account of the dilemmas you faced.
I do know someone who was offered - in a round about but unmistakable way - a termination for talipes at about 30 weeks. As the parent of a child with a significantly more serious mobility disability than that I can confirm that a parent with a wanted pg would be out of their mind, or very very seriously misinformed, to consider terminating on the basis of talipes!
HarryHill - Bearing in mind what I have just said. My position is based on the the belief that no-one terminates a longed for / wanted baby in a whim. People who terminate after discovering ill health or disability do so with incredible anguish - I have seen it here, on MN. As far as I know (because someone usually comes up with the stats on threads like this) the numbers of people who terminate pg at a late stage is very very small, and we must assume that thier circumstances feel extreme, that they may be facing a dilemma such as has been described on this thread, or a non-viable or non curable condition has been found. Who would get to 30 weeks, battle through morning sickness and the first trimester tiredness and then go 'oops, I'd rather go on a ski-ing holiday in a couple of months instead, I think I'll terminate'? No-one.
To me, I agree with your statement "if you don't want to be a mother you do the moral and responsible thing and take car of it as early as possible." - but what if you didn't know, what if there is some other extreme circumstance? The idea that a woman should perhaps have a baby, become a mother against her will, of a baby she doesn't want is horrendous. It is saying 'you got pg, you live with the conesequences- lump it' - which makes bearing a child a punishment - a horrible thought, for the woman and the child.
Making the choice to terminate available to any woman removes the inequality that WannaBe refers to - that it's permissable to terminate where there is disability but not where there is not. That system, the current system, does rest on a presumption that the life of one feotus is superior to another - and in terms of disability, I find that unnacceptable. Under my suggestion, the law about termination is not focussed on the relative value of the feotus, but the fact that the body is the woman's.