The nurse is completing a health history with a client who is 10 weeks pregnant. Which factor should the nurse identify as increasing this client's risk for a spontaneous abortion?
1. Having taken a medication that is a known teratogen
2. Smoking
3. Having low levels of folic acid
4. Genetic history
Correct Answer: 2
Rationale 1: Teratogens are medications known to adversely affect normal cellular development in the embryo or fetus.
Rationale 2: Exposure to environmental tobacco smoke has been associated with preterm births, stillbirth, miscarriage, and low-birth-weight infants.
Rationale 3: Folic acid is necessary for normal neural tube development.
Rationale 4: Genetic history does not affect the risk for spontaneous abortion.
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