5 weeks pregnant
Quick answer
At 5 weeks pregnant, your baby is about the size of a sesame seed: around under 1 cm crown to rump and under 1 g. The neural tube, which becomes the brain and spinal cord, is forming. This is why folic acid matters so much right now.
Your baby at 5 weeks
The neural tube, which becomes the brain and spinal cord, is forming. This is why folic acid matters so much right now.
| Size | About the size of sesame seed |
|---|---|
| Length | under 1 cm crown to rump |
| Weight | under 1 g |
Your body at 5 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.