Antenatal care for twins: A week-by-week guide

Pregnant woman looking at sonogram of twins

If you're expecting twins, double congratulations. To help you plan, here's the schedule of antenatal care you'll receive to ensure you and your babies are healthy throughout your pregnancy

You'll receive a different schedule of care depending on which type of twins you are having. For more on what to expect during each week of your pregnancy, take a look at our week-by-week pregnancy calendar.

Twins with separate placentas (dichorionic)

  • 10 weeks booking appointment
  • 11–14 weeks dating scan; screening for risk of chromosomal abnormality: nuchal translucency and serum (blood) test
  • 16 weeks antenatal appointment
  • 18–20 weeks fetal anomaly scan (may be on the same day as your antenatal appointment)
  • 20 weeks antenatal appointment, ultrasound scan and blood test for anaemia (20–24 weeks)
  • 24 weeks antenatal appointment and ultrasound scan
  • 28 weeks antenatal appointment, ultrasound scan and blood test for anaemia
  • 32 weeks antenatal appointment and ultrasound scan
  • 34 weeks antenatal appointment
  • 37 weeks birth offered; if declined, further weekly antenatal appointments and ultrasound scans

Twins with shared a placenta (monochorionic)

  • 10 weeks booking appointment
  • 11-14 weeks dating scan; screening for risk of chromosomal abnormality: nuchal translucency and serum (blood) test
  • 16 weeks antenatal appointment and ultrasound scan
  • 18 weeks antenatal appointment and ultrasound scan
  • 18-20 weeks fetal anomaly scan (may be on the same day as one of your antenatal appointments)
  • 20 weeks antenatal appointment, ultrasound scan and blood test for anaemia (20–24 weeks)
  • 22 weeks antenatal appointment and ultrasound scan
  • 24 weeks antenatal appointment and ultrasound scan
  • 28 weeks antenatal appointment, ultrasound scan and blood test for anaemia
  • 32 weeks antenatal appointment and ultrasound scan
  • 34 weeks antenatal appointment and ultrasound scan
  • 36 weeks birth offered; if declined, further weekly antenatal appointments and ultrasound scans

You can chat to other women expecting more than one baby in our Multiple births Talk forum if you've got any questions or concerns.

This content comes from the One Born Every Minute's book, Expecting Twins? A Complete Guide to Pregnancy, Birth & Your Twins' First Year. Click here to purchase the book.