Third trimester · Month 7 of 9

Week 30: Swelling: what is common and what needs a call

Your body is carrying more blood and weight; gradual swelling can occur, while sudden face or hand swelling needs urgent advice.

Month 7 · Week 3010 weeks to the due-date marker
Month7 of 9
Week30
PeriodThird trimester
This monthThird trimester

In 60 seconds

Your short plan for this week

Do now

Notice whether swelling is gradual and in both feet or sudden, marked, one-sided, or affecting the face and hands.

Coming up

Know where blood pressure and urine can be checked urgently outside routine appointment hours.

Pause and ask

Do not use someone else's normal blood pressure or swelling pattern to judge your own symptoms.

What you may notice

Your body and how you may feel

Your body is carrying more blood and weight; gradual swelling can occur, while sudden face or hand swelling needs urgent advice.

What is happening

Baby’s development this week

The fetus is adding body fat and practising breathing movements.

Plain-language examples

What this means in real life

Gradual ankle swelling can be common. Sudden swelling with a severe headache, vision changes or upper abdominal pain needs urgent assessment.

A short checklist

What to do now

  • Notice whether swelling is gradual and in both feet or sudden, marked, one-sided, or affecting the face and hands.
  • Discuss birth preferences, feeding support and early recovery.
  • Notice your baby's usual movement pattern and act promptly on a clear change.

Pause and check

What not to do—or what to ask first

  • Do not use someone else's normal blood pressure or swelling pattern to judge your own symptoms.
Check food, medicines, exercise and everyday activities →

What may be coming up

Appointments, tests and decisions

Know where blood pressure and urine can be checked urgently outside routine appointment hours.

Common planning window

Choose birth and newborn learning

Look for evidence-based antenatal education that includes recovery and newborn care.

Common planning window

Write flexible birth preferences

Record what matters to you while allowing plans to change for safety or preference.

Common planning window

Discuss feeding support

Learn how feeding support is accessed and how to get help early, whichever feeding path you use.

Common planning window

Review pregnancy vaccinations

Confirm current and seasonal recommendations with your clinician.

For the support person

One useful thing a partner can do

  • Notice sudden visible change without creating panic; help call the maternity service and arrange transport when warning signs appear.

Contact your care team

Contact your doctor or maternity team promptly

Some concerns need advice before the next routine appointment even when they do not feel like an emergency. If a symptom becomes severe, sudden or frightening, use urgent care instead.

See when to contact care

Urgent or emergency

Urgent signs during pregnancy or within a year after birth

Get medical care immediately for these symptoms. The list is not exhaustive; if something feels seriously wrong, seek help.

Open urgent warning signs