Countdown to Life: The Extraordinary Making of You

100 trillion cells. 280 days. One human life. The person you are was decided before you were even born. The way you smile, the environments you thrive in, the colour of your children's eyes - from the moment you're conceived to the moment you're born, each critical event in the womb can change your life forever. And the clock is ticking.

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0 trackers | Status: Ended | Airs on BBC Two | Monday 9:00 PM