Images of secret life in the womb

For the first time in history, a special documentary revealed the life in the womb of animals that were produced by two Channel 4 television channels and the National Geographic Channel.

To capture these photos, 4-way ultrasound techniques were used.This kangaroo will be in the mother's womb 6 months before birth.

Embryo of the Emperor penguin in its eggs after one week of pregnancy.

Fetal penguin Emperor stage has developed.

After 5 weeks in the womb, the fetus of the lemon shark began to develop gills.

This cat is only a week away from being born

An image of a bird in an egg awaits its birth.

Pregnancy a dog during the last pregnancy.

The fetus of a larva is beginning to develop.

A little old shark fetus.

Even as a fetus, sharks look very aggressive.