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The Endowment for Human Development
The Endowment for Human Development
Improving lifelong health one pregnancy at a time.
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4D Ultrasound


6 months, 1 week

Source: CREATE Fertility, London, UK.
All ages referenced to fertilization, not last menstrual period. One month = 4 weeks.
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Fetal Respiratory Rate
Fetal Respiratory Rate
Rapid Brain Growth
Rapid Brain Growth
4D Ultrasound
4D Ultrasound
4D Ultrasound
4D Ultrasound
Sense of Smell
Sense of Smell
Response to Light
Response to Light
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