Bump DiaryPregnancy week by week › Week 4
Week 4 of your pregnancy
Your baby is about the size of a poppy seed
The embryo is about 2 mm long, snug in the amniotic sac while a yolk sac feeds it.
poppy seed0.2 cm
You this week
No bump yet. Early signs can include a missed period, sore breasts, nausea, tiredness, needing to wee more and a metallic taste.
Tips for this week
- Book your first appointment with a midwife
- Take 400mcg of folic acid every day until week 12
- Aim for 150 minutes of gentle activity a week
Follow week 4 together
Bump Diary shows this every day, with a photo of your bump, shared with your partner. Free on iPhone.
Summarised from the NHS website. Every pregnancy is different: this is general information, not medical advice. If you're worried about yourself or your baby, contact your midwife or maternity unit. In an emergency, call 999.