A client in the prenatal clinic believes she is pregnant because she has not menstruated for 3 ...

3
Explanation:
1. Although this is true, amenorrhea and breast enlargement also can be caused by weight gain and other conditions. A pregnancy test is needed to determine whether the client is pregnant.
2. This statement is false because amenorrhea and breast enlargement are presumptive signs of pregnancy because they can be caused by other conditions.
3. This is a true statement and addresses that these changes could be caused by things other than pregnancy.
4. This statement is false because amenorrhea and breast enlargement are presumptive signs of pregnancy. It is too early to determine if congratulations are in order.