Nine Moons
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First trimester

6 weeks pregnant

Quick answer

At 6 weeks pregnant, your baby is about the size of a lentil: around under 1 cm crown to rump and under 1 g. A flicker of heart activity may show on an early ultrasound.

Your baby at 6 weeks

A flicker of heart activity may show on an early ultrasound.

SizeAbout the size of lentil
Lengthunder 1 cm crown to rump
Weightunder 1 g

Your body at 6 weeks

You may notice a missed period, tender breasts and tiredness that hits hard. Take folic acid daily and book your first appointment.

For your partner

She may feel exhausted long before anything shows.

  • Take over cooking if smells bother her
  • Keep the news private until she's ready
  • Go with her to the first appointment

Call your doctor or hospital straight away for bleeding, severe pain, fluid leaking, severe headache or vision changes.

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