Week4

First trimester

Testing and first decisions

This field guide uses testing and first decisions to connect body changes, development, the care conversation, and practical preparation.

01

What may be changing

Your body

A missed period, breast changes, fatigue, or no symptoms at all may occur.

02

A cautious view

Development

Implantation and very early development are occurring on a timeline that varies.

03

Appointment lens

Care this week

A positive home test is a useful reason to contact a prenatal-care provider.

Prepare next

Useful actions

  1. Write down test dates, bleeding, pain, medicines, and the last menstrual period.
  2. Write down the first day of your last period if you know it.
  3. Review medicines and supplements with a healthcare professional.
  4. Choose where you would seek prenatal care if a test is positive.

Ask your care team

Questions to bring

  1. When should my first prenatal visit happen?
  2. When should I confirm the pregnancy with a clinician?
  3. Should I change any current medicines or supplements?
Add these to an appointment note →

Share the work

For a support person

  • Make space for uncertainty without demanding an immediate emotional response.
  • Help gather dates, medication names, and practical questions.
Open the partner guide →

Sources and review

Where this guidance comes from