Consider genetic screening tests (NIPT, nuchal translucency scan) — typically offered between weeks 10–13.
The transition from embryo to fetus at 9 weeks is not just semantic — the placenta takes over hormone production from the corpus luteum, which is why nausea often begins to ease after week 10.
First trimester fatigue is neurologically protective — your body is literally rerouting energy to fetal brain development.
NIPT (Non-Invasive Prenatal Test) blood draw can be done from 10 weeks — screens for chromosomal conditions with 99% accuracy.
Interactive guide · 40 weeks · Fruit size visualizations · Personalized tips
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