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Second trimester

Week 27 of pregnancy

Your baby is the size of a head of broccoli. This is the last week of the second trimester: the baby sleeps and wakes regularly and sometimes gets hiccups.

Your baby is the size of a head of broccoli

Length, head to heel
≈ 36.6 cm
Weight
≈ 875 g

Your baby this week

  • The baby has regular cycles of sleeping and waking.
  • You may feel its hiccups as small rhythmic jerks.
  • The brain is very active and growing fast.

Your body this week

  • Leg cramps and backache may increase.
  • You may get out of breath more easily, as the womb presses up on your diaphragm.
  • Some women feel pain in the pelvis or pubic bone when they walk.

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Read more for this stage

General information written by the mam.al editors. Every pregnancy is different and sizes are averages; it does not replace advice from your doctor or midwife. Sources include the NHS week-by-week guide to pregnancy. NHS. Contains public sector information licensed under the Open Government Licence v3.0.