India, May 23 -- There is so much we are still learning about mothers and babies.

In the third trimester (months 7, 8 and 9), for instance, a woman begins to pass on to her baby the antibodies for every disease or infection she has ever had. As a result, the baby is born with more immunity than the mother had at birth.

That's just one way the female body protects the foetus.

The role of the tribe soon kicks in.

The first thing a baby learns to do is cry. It learns this the way a baby giraffe learns to totter, and a whale calf learns to surface for air - and for the same reason. Each creature is learning the first thing it will need to do in order to survive.

A giraffe that cannot walk is someone else's lunch; a whale that cannot rise...