Week 21 of pregnancy — 2nd trimester. Baby is the size of a carrot 🥕, approximately 26.7cm long and weighing 360g. Eyebrows and eyelids fully formed. Rapid brain development. 52% of the 40-week journey complete, 19 weeks remaining.
PREGNANCY WEEK 21 — 2nd TRIMESTER
🥕
carrot
baby is about the size of a carrot
WEEK
21
of 40
LENGTH
26.7cm
crown to rump
WEIGHT
360 g
approximate
19 weeks remaining · Eyebrows and eyelids fully formed. Rapid brain development.
WEEK 21 — BABY'S DEVELOPMENT
2ND TRIMESTER · Weeks 13–26
Eyebrows and eyelids fully formed. Rapid brain development.
HOW YOU MAY FEEL
Belly button may pop out. Skin stretching. Kicks getting stronger.
WEEK 21 KEY FACTS
Gestational age
Week 21
Trimester
2nd (T2)
Baby length
26.7cm
Baby weight
360 g
Progress
52% complete
Weeks left
19 weeks
What happens at week 21 of pregnancy?
At week 21 of pregnancy (2nd trimester):\n\nBaby development: Eyebrows and eyelids fully formed. Rapid brain development.\n\nBaby size: carrot 🥕\nLength: approximately 26.7cm (crown to rump)\nWeight: approximately 360g\n\nPregnancy progress: 52% complete (19 weeks remaining)\n\nGestational age is counted from the first day of your last menstrual period (LMP), not from conception. Week 21 begins on day 141 and ends on day 147 from your LMP.
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Pregnancy week 21 · 2nd trimester · Baby size: carrot 🥕 · 26.7cm · 360 g · Sources: ACOG, WHO fetal growth data