Summary of the First Trimester

Week 1-4
- About 12 days after fertilization, a pregnancy test will be able to detect that you are pregnant!

Fetal development
- By the 14th day after fertilization, your baby has developed into an individual.
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Week 6
- You may experience increased pigmentation, engorged breasts, morning sickness, increased urinary frequency and viaginal discharge.

Fetal Development
- About 2 to 4mm long. Formation of the lungs, further development of the brain and lengthening of the arms and legs.
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Week 8
- Uterus grow to about the size of an orange. You may feel cramping or pain in lower abdomen.

Fetal Development
- About 14 to 20mm long. Heart, brain, liver, lungs and kidney are in their basic forms. Facial features still in development. Spontaneous movement of the baby but you won't be able to feel them.
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Week 10
- Breasts are getting bigger and waist starting to thicken.

Fetal Development
- About 31 to 42mm long. Major vital organs are formed. The stomach is now producing digestive juices and the kidneys have begun functioning.
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Week 12
- Uterus starts to push out above your pelvic as it is too large to remain in your pelvis. Energy in you starts to return!

Fetal Development
- About 6cm long and weighs around 8 to 14g. Head is still very large in proportion to the rest of her body. All essential organs are functioning. Though it is still a long way before she can survive independently.
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Week 14
- Your uterus is now the size of a grapefruit. You may also experience constipation.

Fetal Development
- Her eyes have moved from the side of the head to the front, while her ears have moved from the neck to the sides of her head. Facial features and fingerprints are formed at this stage.

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