11 WEEKS PREGNANT
The fetus starts to practice tiny movements
Baby this week: about 4.1 cm — crown to rump · about 7 g
≈ 4.1 cm — about the size of a fig
Illustration enlarged for clarity — the amber marker shows true relative size
Your baby this week
- Fingers and toes are fully separated and starting to grow tiny nails
- The head makes up almost half the body length at this stage
- External genitals are starting to develop, though it's still too early to tell sex on ultrasound
- Hiccups may begin, though they can't be felt from the outside yet
Your body this week
- Nausea often begins to ease for many people around this time, though not everyone experiences relief this early
- Some notice their skin starting to look different as blood volume increases
This week's tip: If offered, this is around when a first-trimester screening test is typically scheduled — talk to your provider about the timing that fits your care plan.
Want the bigger picture — organ development, nutrition, scans and warning signs for this stage? See month 3: The first trimester finish line.
Sizes and milestones are typical ranges — every pregnancy runs on its own clock. Educational content; your prenatal care team's guidance always comes first.