Pregnancy Calculator - Week 4
Discover what to expect in Pregnancy Week 4. Track your baby's growth, symptoms, and important tips for a healthy pregnancy journey.
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The embryo is about the size of a poppy seed.
Baby is the size of Poppy seed
Approx Baby Weight:
Approx Baby Size: 0.2 mm
Baby Development
The placenta and amniotic sac begin forming.
Mother's Changes
Missed period? Pregnancy tests can confirm pregnancy now.