Phases of pregnancy 6th grade.

1. Phases of pregnancy
The miracle of life

2. • 5 days: The zygote travels all the way to
the uterus and hatches on the lining.
• 2 weeks: The placenta begins to
develop.
• 5 weeks: The heart begins to beat.
• 9 weeks: fingers, toes and organs begin
to develop
• 12 weeks: the baby produces urine.
• 20 weeks: Sex can be distinguish.
• 24 weeks: Brain begins to develop
• 34 weeks: lungs mature.
• 36-40 weeks: Full term.