Final answer:
Chadwick's sign is a probable sign of pregnancy, noticeable as a bluish discoloration of the vagina and cervix, that may appear as early as 6 weeks into pregnancy.
Step-by-step explanation:
Chadwick's sign is indeed a probable sign of pregnancy, which means it suggests pregnancy but is not conclusive on its own. It involves a bluish discoloration of the vagina and cervix, which can result from increased blood flow to the area as a result of the pregnancy. This sign may be observable as early as 6 weeks' gestation. Therefore, the correct options provided by the nurse should be:
- Chadwick's sign is a probable sign of pregnancy.
- Chadwick's sign may be present as early as 6 weeks' gestation.
- Chadwick's sign is a bluish discoloration of the vagina and cervix.
Chadwick's sign does not relate to fundal height (Option 1), nor does it occur when the pregnant client experiences fetal movement (Option 5).