Biology is usually the first science high school students are taught because it has less of a focus on math than other science subjects, so freshman have time to develop their math skills before moving on to more math-focused sciences.
HIV can be transmitted from an HIV-positive woman to her child either during pregnancy, or during labour and delivery, or by breastfeeding.In Europe and the USA, about 15 to 20% of babies born to HIV-positive women who are not taking anti-HIV drugs are infected.IV can be transmitted from an HIV-positive woman to her child either during pregnancy, or during labour and delivery, or by breastfeeding.
All mums-to-be are offered a blood test to detect HIV and AIDS. You can turn it down if you want to. However, knowing that you have the infection means that steps can be taken to reduce the chance of the virus being transmitted to your baby (NCCWCH 2008, NHS UK NSC 2014). Find out more about HIV and AIDS in pregnancy.