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Period: to
1st Trimester
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Week 1
There is no embryo. Just an egg and sperm swiming around the womans uterus -
Week 2
Estrogen is being produced -
Week 3
Baby is concieved -
Week 4
blastocyst that will be your baby splits to form the placenta and the embryo and the specialized parts of your baby's body begin to develop -
Week 5
Heart and circulatory system of the baby are developing -
Week 6
The Baby's face is taking shape -
Week 7
Mother has tingly, achy breasts -
Week 8
Baby starts moving in the womb, mother has morning sickness -
Week 9
The baby is building muscle -
Week 10
Baby is building bones and cartilage. Mother has constipation -
Week 11
Baby is starting to look human -
Week 12
The baby is the size of a large plum, it has doubled in size in the past few weeks -
Week 13
The babys vocal cords are devloping, the first trimester is ending