What sexually transmitted disease can be communicated to the child as it passes through the birth canal to be born?

Recent evidence has shown that the benefits to IQ of breastfeeding are

a. related to the strong bonding of the mother and infant. b. related to a specific gene. c. related to the beneficial nutrients of the mother's milk. d. not related in any way.

In which prenatal procedure are tests made on some of the cells that attach the amniotic sac to the wall of the uterus?

A) Preimplantation genetic diagnosis B) Amniocentesis C) Chorionic villi sampling D) Karyotyping