Pregnancy Week 6
Your baby is growing rapidly this week, and important early structures are beginning to develop. The heart and nervous system are taking shape, while pregnancy hormones may make early symptoms more noticeable.
Your Baby This Week
Rapid Early Development
At week 6, the embryo is growing quickly and beginning to take a more recognizable shape. The neural tube is developing further and will eventually become the brain and spinal cord.
Small areas that will develop into the head, body, arms, and legs are also beginning to form.
The Heart Begins to Develop
The early structure of the heart is developing rapidly this week. In some pregnancies, cardiac activity may be detectable by ultrasound around this time, although the timing varies and it may still be too early to see it clearly.
Growing Quickly
Your embryo is about the size of a lentil. Even though it is tiny, important changes are happening as the foundations of the brain, heart, and other organs develop.
Your Body This Week
Pregnancy hormones continue to rise as your body supports the developing embryo.
Morning Sickness
Nausea may begin or become more noticeable around this time. Despite its name, morning sickness can occur at any time of day.
Fatigue
Increasing progesterone levels can contribute to significant tiredness. Getting enough rest is especially important during these early weeks.
Breast Changes
Your breasts may feel tender, fuller, or more sensitive as hormonal changes continue.
Increased Urination
You may find yourself needing to urinate more often. Hormonal changes and increased blood flow to the pelvic area can contribute to this symptom.
Tips for week 6
- Continue taking your prenatal vitamin every day.
- Make sure you are getting enough folic acid.
- Eat small, frequent meals if nausea makes larger meals difficult.
- Keep simple foods such as crackers or toast available if you experience morning sickness.
- Drink water regularly throughout the day.
- Avoid alcohol, smoking, and recreational drugs.
- Limit caffeine to 200 mg or less per day during pregnancy.
- Get plenty of rest when you feel tired.
- Contact your healthcare professional if nausea or vomiting makes it difficult to keep food or fluids down.
Nutrition This Week
As your baby’s early organs begin developing, a balanced and varied diet can help you meet your nutritional needs.
Folate-Rich Foods
Foods for Nausea
Protein Rich Foods
Fruits & Vegetables
Calcium Sources
Stay Hydrated
Nutrition This Week
If nausea is affecting your appetite, don’t worry about eating perfectly at every meal. Focus on staying hydrated and choosing nutritious foods whenever you can tolerate them.
Frequently Asked Questions
How big is my baby at Week 6?
The embryo is approximately the size of a lentil or pea, although the exact size varies depending on the timing of development.
Can I hear my baby's heartbeat at Week 6?
The early heart is developing and cardiac activity may sometimes be detected by ultrasound around this time. However, it can be too early to detect it, especially if your dates are uncertain.
Is morning sickness normal at Week 6?
Yes. Nausea and vomiting are common during early pregnancy and may begin around this time. Some people experience little or no nausea.
Why am I so tired during Week 6?
Hormonal changes, particularly rising progesterone levels, can contribute to significant fatigue. Your body is also undergoing many changes to support the pregnancy.
What should I do if I cannot keep food or water down?
If vomiting is severe or you cannot keep fluids down, contact your healthcare professional. Severe nausea and vomiting can sometimes require medical treatment.
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