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Conception
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division and fusion takes place
happens in the first 24 hours after egg is fertilized and keeps dividing every 12-15 hours -
Becomes an embryo
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heart chamber develops
after 25 days -
Arms and hands develop
after 32 days -
Nose and fingers develop
after 52 days -
embryos hart beats 2 times faster than the mothers
after 45 days -
Sex is determined
at 12 weeks -
birth
-
organs are still growing and developing
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baby is considered full term at 37 weeks
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Period: to
rapid development
first weeks after it becomes an embryo.