10 weeks pregnant: Your baby and your body

Choose your week

Week 10

Know your due date?

Enter the due date from your care team to find your estimated week today. Your date stays in this browser tab.

First trimester

About the size of

a small apricot

Approximate length

1.2 in / 3 cm Head to bottom

Your baby

Your baby's facial features are becoming more defined. The upper lip and nostrils are forming, and the jaw contains the beginnings of baby teeth. Small movements are happening even though you cannot feel them yet. The head remains large compared with the body while the rest of the body continues to grow and develop.

Your body

Bloating, heartburn and tiredness can make this stage uncomfortable even before you have an obvious bump. Symptoms can change from day to day. Bring up anything that interferes with eating or sleep rather than assuming it is something you must tolerate. Your care team can help you discuss comfort measures and decide whether a symptom needs a closer look.

This week

Understanding prenatal screening choices

Ask which prenatal genetic screening and diagnostic options are available to you, what each can tell you and when a decision is needed. Screening estimates the chance of certain conditions; it does not establish a diagnosis. A higher-chance result may lead to a discussion of diagnostic testing, and a lower-chance result cannot rule out every condition. You can ask about limitations, possible follow-up, costs and whether you want testing at all. Your health history and preferences belong in the conversation, not just your age or the week on a calendar.

Learn about prenatal screening

Looking ahead

A question for your next visit

What would this screening result tell us, and what choices would follow each possible result?

Sources for this week

Read the NHS guide for this week ↗ Prenatal care and tests — Office on Women’s Health ↗

Browse pregnancy weeks

A little context for these comparisons

These are approximate sizes for each week, not measurements of your baby. Babies and produce both come in different sizes, and the illustrations are not shown to scale.

Before week 20, length is measured from head to bottom. From week 20, it includes the legs, from head to heel. That change explains the jump in length between weeks 19 and 20.

When to get help

Seek medical care right away for warning signs such as a severe or persistent headache, vision changes, chest pain, trouble breathing, severe belly pain, vaginal bleeding, leaking fluid, or thoughts of harming yourself or your baby. These are examples, not a complete list. If you cannot reach your care team, seek urgent medical care. Call 911 for a medical emergency.

Read the CDC urgent maternal warning signs

About this guide

Approximate measurements and development information draw on the NHS weekly guides. Linked US health resources support care and preparation topics. The topics are suggestions for discussion, not a schedule of required appointments or tests. Your own care plan may differ.

Every pregnancy is different. Your care team can help you understand your baby’s growth and any symptoms you’re experiencing.