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Pregnancy at week 6

3-minute read


Your baby

This week your baby is growing very quickly – they will double in size to about 4mm long by the end of week 6.

By that time, the baby looks like a curved tadpole. It has a large head and a tail. Inside, the organs are starting to form. If you have an ultrasound in the sixth week, you may be able to see the baby’s heart beating.

The baby’s cells all have different jobs. They contain all the genetic information they needed to grow everything from the baby’s skin to their eyes to their liver.

Their jaw and eyes are starting to develop, as well as the ‘buds’ that will become arms and legs. Vertebrae are starting to form along their back. Also this week, a stalk which will develop into the umbilical cord attaches to the front of the baby’s body.

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Your body

If you didn’t realise you were pregnant last week, you will probably have noticed a missed period by now. You may also be feeling tired, your breasts may be tender, and you may be feeling nauseous or even vomiting.

Not all women experience morning sickness during pregnancy. It can happen at any time of day, not just in the morning, but it usually clears up by about 3 months into pregnancy. If you’re feeling very unwell or you have severe vomiting that doesn’t stop, talk to your doctor.

You might also notice your sense of smell is stronger and you might be having dizzy spells.

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Things to remember

It’s a good idea to start your pregnancy care as soon as you realise you’re pregnant. See your doctor, who will confirm the pregnancy with a blood test, talk to you about your care options, and give you advice on how to look after yourself and your baby.

Make sure you tell your doctor if you are taking any medications. Now is the time to start eating healthily, which means eating all the nutrients you need for the baby and avoiding any foods that could harm them. It’s also important not to drink alcohol, smoke cigarettes or take illicit drugs while you’re pregnant since these can harm your baby.

If you’re feeling sick and tired, some gentle exercise may help you to feel better. Swimming or walking are good options. Keeping fit will help your body cope better with the demands of pregnancy.

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Your pregnancy journey

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Last reviewed: August 2019


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Need more information?

Week by week pregnancy- 6 weeks pregnant

6 weeks pregnant is a time when embryo development is occurring rapidly and pregnant women often start experiencing pregnancy symptoms like morning sickness. Pregnancy hormone human chorionic gonadotrophin (hCG), the hormone a pregnancy test detects, is usually evident in the womans blood in the sixth week of pregnancy. Antenatal care should be provided at a doctor appointment for women who have not already checked their pregnancy health. Find out more about the pregnancy changes which occur this week.

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Pregnant? In our pregnancy week by week guide, you can find out what to expect and follow your baby's development each week.

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The fifth week of pregnancy begins around the time your menstrual bleeding is due and is a good time to take a pregnancy test to confirm that you are pregnant. You are also likely to begin experiencing pregnancy symptoms like fatigue, morning sickness and changes to your breasts this week. Your baby is still only about 1.5mm long but it is developing rapidly and taking on a more human form. If you have not already visited your doctor the 5th week of pregnancy is a good time to do so.

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5 weeks pregnant: Doctor appointments

Week 5 of pregnancy is the best time to have a pregnancy test. You can use a home pregnancy test but its still important to visit your doctor so that they can estimate your pregnancy due date. This may involve an early pregnancy ultrasound. You should also receive pregnancy health advice and discuss pregnancy folate supplements in the fifth week of pregnancy if you have not already done so. Its also a good time to make sure youre eating all the right pregnancy foods and start your pregnancy exercise routine.

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Week by week pregnancy- antenatal care at 7 weeks pregnant

Your doctor can look at your foetuss features to determine how old they are find out how. You need to talk to your doctor if you experience very severe morning sickness as you may not be getting all the nutrients you and your baby need or early pregnancy spotting (spot bleeding) as you may be at risk of miscarriage.

Read more on Parenthub website

Call us and speak to a Maternal Child Health Nurse for personal advice and guidance.

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The information is not a substitute for independent professional advice and should not be used as an alternative to professional health care. If you have a particular medical problem, please consult a healthcare professional.

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