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5 weeks pregnant

Your baby at 5 weeks

Your baby is the size of a small orange pip. At 0.12 to 0.25 cm (0.05 to 0.1 inch) your baby is the size of a small orange pip.

Pipeline in place

The placenta and the beginnings of the umbilical cord are already working hard to channel essential nutrients from your body to your baby. Oxygen, amino acids, fats and sugars all play a vital role in healthy development. 


Back basics

Some of the baby’s cells are developing into the neural tube, which will become the spinal column and the brain. An incorrectly formed neural tube can result in a complication called spina bifida, where the spinal cord doesn't fully close. Taking at least 400 micrograms of folic acid every day is your best weapon against spinal-cord-related birth defects.


Heart start

The heart is now a single tube with a few uncoordinated beats. These thumps will become more regular with each passing week. 

Your pregnancy at 5 weeks

An ocean of emotions

You may be thrilled about being pregnant, anxious about whether everything will go normally, worried or unsure of yourself as a mother. Don’t worry! All of these emotions are perfectly normal. 

Handle with care

Menstrual-like cramps and lower backaches are common at this stage. Give yourself a break by soaking in a warm bath, listening to some soothing music or indulging in a nap. Keep an eye on your nutrition and, if you haven’t yet, cut out smoking, drinking alcohol or using drugs – these can be harmful to your baby.

Did you know?

Your baby’s brain is developing rapidly and a tube-like structure that will become the heart starts to beat occasionally.

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