Second trimester

Week 21 of Pregnancy

Movements become more pronounced and start forming patterns.

Fetal size
Carrot
Length
26.7 cm
Crown-to-heel
Weight
360 g

Fetal development

  • The digestive system processes amniotic fluid, producing meconium.
  • Eyebrows and eyelashes grow in.
  • Day/night rhythms start forming.

Maternal changes

  • Movement patterns become noticeable.
  • Bleeding gums and nosebleeds are common.

Recommended checkups

  • Routine prenatal visit (blood pressure, urine, fundal height).

Jump to week

Textbook averages. Individual variation is wide and this is not medical advice — confirm with your OB.