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Discover what happens during week 5 of first trimester. Baby development, body changes, symptoms, and a weekly checklist.
Welcome to the week of change - massive, enchanting, riveting change! The plus sign on the test is a symbol of transition into a bright, invigorating journey for both you and mini-you(s)! Ensure you have double-checked the result by taking another test. Go ahead and make it official by visiting the doctor.
First Trimester is a time of rapid change — for both you and your baby. Every pregnancy is unique, and the information below will help you understand what's happening and how to prepare for the weeks ahead.
The gestational sac is now visible and growing inside the uterus, providing a protected space for development. Hormones like hCG and progesterone are rising quickly to support the pregnancy and prevent the body from rejecting it. Even if nothing feels obvious yet, your body has already committed to sustaining this pregnancy.
Your baby is about the size of a sesame seed (around 1–2 mm). Right now, three essential layers are forming. These will become the brain, spinal cord, heart, and all major organs. The heart hasn’t started beating yet—but the structures that make it possible are already in place.
Each week brings new things to prepare for. Here's what expecting parents during week 5 typically track in the BabySteps Companion app. Items are sorted by priority so you can focus on what matters most.
Your first appointment will be your longest. Here's what to expect in this appointment: confirmation of pregnancy, health history, height, blood pressure, pelvic exam, bloodwork, genetic carrier screening, STDs, pap smear, blood sugar. You can expect monthly appointments until week 28 if you have a normal pregnancy with no complications..
Educate yourself about intimacy during pregnancy. Research the changes and considerations, and remember that open communication with your partner and healthcare provider is key.
Prioritize your baby's well-being by discussing any medications you're currently taking with your healthcare provider. They'll help assess the safety of these medications during pregnancy and recommend suitable alternatives if needed. Taking this proactive step ensures a healthy start for both you and your future baby. Your healthcare provider's guidance is essential in making informed decisions about your health journey.
Initiate a conversation with your partner to define roles and responsibilities in preparation for parenthood. Clear communication about parenting, household tasks, and work-life balance lays the foundation for effective teamwork. Collaboratively identifying each other's strengths and preferences fosters a supportive environment, ensuring that both partners are aligned and ready for the journey ahead.
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Every pregnancy is different, but these are some of the most common sensations women report during week 5. Your experience is valid — whether you feel all of these or none at all.
Many pregnant women experience food aversions, where certain smells or tastes trigger feelings of nausea or disgust. This can be a result of hormonal changes and may vary from person to person. It's essential to listen to your body and avoid foods that make you feel unwell. If food aversions impact your ability to eat a balanced diet, consult your healthcare provider.
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Your growing uterus puts pressure on your bladder, which can make you feel like you need to pee more often. While frequent urination is normal, it's essential to stay hydrated and empty your bladder regularly to prevent urinary tract infections. If you experience pain, burning, or other symptoms along with frequent urination, consult your healthcare provider for evaluation and treatment.
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Headaches are common during pregnancy due to hormonal changes, increased blood volume, and changes in blood circulation. Managing stress, staying hydrated, and getting regular exercise can help prevent headaches. However, if headaches are severe, persistent, or accompanied by other symptoms like vision changes or swelling, consult your healthcare provider for evaluation and guidance.
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Some pregnant women experience a metallic taste in their mouth, especially during the first trimester. This can be caused by hormonal changes or changes in taste and smell sensitivity. Drinking plenty of water, eating small, frequent meals, and using sugar-free gum or candies can help alleviate the metallic taste. If the taste persists or worsens, consult your healthcare provider.
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Learn more about what to expect with expert-guided videos and articles curated for this stage of your pregnancy.
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