Week 7 of Pregnancy
Your baby is the size of a blueberry
0.4 in
Baby Development
Your baby's brain is developing at an incredible rate, and the head is growing larger to accommodate it. The face is becoming more defined as nostrils become visible and the retinas of the eyes begin to form. The arm buds have lengthened and now look like small paddles, and the leg buds are also starting to grow.
Inside the body, bones are beginning to replace soft cartilage in a process called ossification. The genitals are also starting to form, although it's too early to distinguish between male and female. The embryo now resembles a tiny tadpole or seahorse, with a prominent tail that will eventually recede.
Your Body This Week
Although you may not look pregnant, your uterus has doubled in size. This growth, combined with increased blood flow to the pelvic area, can lead to more frequent trips to the bathroom. You may also notice an increase in vaginal discharge, which is normal and helps to prevent infections.
Your heart is pumping more blood to supply the placenta and the developing baby. This increased cardiac output can sometimes lead to a faster pulse and a feeling of mild shortness of breath with light activity. Your body is working hard, and it's important to listen to its cues and rest when you feel tired.
Milestones This Week
First prenatal visit
Schedule your first prenatal visit between weeks 6-8. The doctor will confirm the pregnancy and order initial tests.
Baby's brain is growing rapidly
Baby's brain is developing very quickly at this stage!
Dating ultrasound
The dating ultrasound confirms baby's gestational age and checks that everything is on track.
Learn More
In Week 7 of your pregnancy, your body is undergoing remarkable changes to support your growing baby. One of the earliest signs many experience is breast tenderness due to increased levels of estrogen and progesterone. These hormones are also responsible for some less pleasant symptoms like morning sickness and fatigue. Understanding that these are normal, albeit uncomfortable, aspects of a healthy pregnancy can offer some reassurance. This week, your metabolism is adapting, optimizing energy storage without the need for extra calories just yet. Focus instead on nutrient-dense foods—think plenty of fruits, vegetables, whole grains, and lean proteins—to provide essential nutrients for both you and your baby. To manage nausea, consider eating small, frequent meals and trying ginger teas or chews. Also, hydration is key; drink plenty of water to aid digestion and alleviate constipation. If you’re feeling up to it, moderate exercise such as walking or prenatal yoga can help boost your energy and mood. Remember, early prenatal care is critical, and staying on top of appointments and nutritional recommendations, like continuing your prenatal vitamins, sets the foundation for a healthy pregnancy. Don't forget to listen to your body, resting when necessary, and reach out to your healthcare provider if any concerns arise.
Frequently Asked Questions
How big is my baby at 7 weeks pregnant?
At week 7 of pregnancy, your baby is about the size of a blueberry, measuring approximately 0.4 in.
What trimester is week 7 of pregnancy?
Week 7 is in the first trimester of pregnancy. The first trimester covers weeks 1-13, the second trimester covers weeks 14-26, and the third trimester covers weeks 27-40.
What is happening with my baby at week 7?
Your baby's brain is developing at an incredible rate, and the head is growing larger to accommodate it.
What symptoms can I expect at week 7 of pregnancy?
Although you may not look pregnant, your uterus has doubled in size.
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