Pregnancy dating scan nz

Sometimes women are referred for blood testing by their family doctors before they have found/chosen an Many tests that can be performed during pregnancy, including listening to your baby’s heartbeat, use ultrasound. It has not been shown to be harmful to pregnant women or their growing babies, but neither has it been proven to be safe.Some people are concerned that exposure to ultrasound, especially during the first 12-14 weeks of pregnancy when the baby’s major organ systems are being formed, could cause subtle changes or damage.

You will be offered HIV screening at the same time as you are offered the first antenatal blood test (see above).If screening shows that you or your baby may have a condition, you will be offered further tests that will let you know for certain.When you first see your midwife (or specialist doctor) during pregnancy you will be offered a blood test.At around 18–20 weeks you will also be offered an ‘anatomy’ scan to check for anything unusual about your baby’s body.Find out about: Screening tests can tell you whether you or your baby are more likely to have a medical condition.