Athree-month segment of a pregnancy during which certain developmental changes occur in the embryo or fetus is a answer
a. gestation period.
b. cycle.
c. trimester.
d. phase.

If scientists are trying to use what they know about hsv to devise a means of protecting other people from being infected, which of the following would have the best chance of lowering the number of new cases of infection? a) vaccinate of all persons with preexisting cases of hsvb) interfere with new viral replication in preexisting cases of hsvc) treat hsv lesions to shorten the breakoutd) educate people about avoiding sources of infection