Foetus - The unborn or unhatched offspring of a mammal., Gestation - The period of development during the carrying of an embryo., Week 8 of pregnancy - Fingers and toes will have formed and heart beats at 160bpm, Week 16 of pregnancy - Backbone becomes stronger and facial muscles can move, Week 24 of pregnancy - Lungs are now maturing and ears are starting to develop, Week 32 of pregnancy - Fingernails have sprouted and the foetus can have dreams, Week 40 of pregnancy - Sight has developed and foetus can recognise the sound of your voice,

Human gestation

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