What is the normal change that occurs in the cardiac sounds in a pregnant person?

Regarding your pregnant patient’s first trimester vaginal bleeding, which of the following differential diagnoses is the most critical to assess for someone having early pregnancy bleeding? 

A 29-year-old pregnant patient at 20 weeks’ gestation presents with recurrent, unilateral, throbbing headaches associated with photophobia and nausea. Her blood pressure is normal, and there are no visual disturbances such as scotomata. Which of the following is the most appropriate initial treatment?

You understand that exercise is important for most pregnant patients. However, there are certain conditions in pregnancy that occur, and we should discourage exercise in those cases. Of the following conditions, which one would we still encourage exercise?

Studies have linked periodontal disease to which of the following?

Your pregnant patient is currently on an antidepressant.  With your understanding regarding the distribution and excretion of drugs in pregnancy which of the following is true?

A pregnant patient has had two vaginal deliveries.  The term that defines her status is:

When is the need for iron supplementation in pregnancy the greatest?

Your patient is 20 weeks pregnant and comes to you complaining that her lower back has started to hurt. She is also experiencing aching, numbness, and weakness in her upper extremities. You do a musculoskeletal exam and determine that these symptoms are the result of normal changes in this system during pregnancy and are related to a change in her posture known as

At what point in embryonic development is the conceptus officially classified as a fetus?