A nurse is reinforcing teaching about fetal development with a group of women who are pregnant. Which of the following statements should the nurse include in the teaching?

You will start to feel the baby move at 24 weeks

Sex of the baby is determined by week 8

The baby’s heartbeat is audible by a Doppler stethoscope at 12 weeks

Very fine hairs called lanugo cover your baby’s entire body by 36 weeks