A 32-year-old G1P0 woman at 10 weeks' gestation attends for her first antenatal visit. She has no risk factors and feels well. Which of the following investigations is routinely recommended at this stage of pregnancy in Australia?AOral glucose tolerance test at 10 weeksBFull blood count, blood group and antibody screen, syphilis, hepatitis B, HIV and rubella serologyCRoutine CTG monitoringDRoutine thrombophilia screenEAmniocentesis for karyotypingCheck my answer