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What blood tests will I be offered?
Blood tests are a routine part of your antenatal care. When you visit your GP to confirm your pregnancy, you'll be offered screening blood tests. This is to check your iron stores, blood group and whether you're Rhesus positive or negative. Your blood will also be tested for HIV, immunity to German measles (Rubella), syphilis and hepatitis B.
If you have a particular reason for concern, you can also ask to be tested for chlamydia, vitamin D deficiency and hepatitis C. All pregnant women are now offered and encouraged to test for HIV/AIDS, but it's not compulsory.
https://www.babycenter.com.au/a536351/blood-tests-in-pregnancy