An appropriate work environment for a servicewoman during the last three months of pregnancy should avoid which of the following?

While radiation emanations below 300 MHz may be a concern in specific contexts, the most appropriate focus regarding a servicewoman's work environment during the last three months of pregnancy is on the overall comfort and health of both the servicewoman and her unborn child.

High noise levels can affect stress levels and potentially impact the developing fetus. Pregnant individuals are often advised to avoid excessive noise exposure, which can lead to increased anxiety and other health issues.

Rigid physical activity could pose risks as well, as it might lead to undue stress on the body, especially as the pregnancy progresses. The physical demands on the body can change significantly during the later stages of pregnancy, so an environment that accommodates those physical changes is crucial.

Long shifts without breaks can lead to fatigue and increased stress levels, which are not ideal for a pregnant individual. Proper rest and the ability to take breaks to manage discomfort or fatigue are essential for maintaining well-being during this time.

Thus, while avoiding radiation emanations could be a consideration, the primary concerns regarding a healthy work environment during pregnancy involve factors that influence overall well-being, comfort, and stress levels. In this light, options such as high noise levels, rigid physical activity, and long shifts without breaks are more directly related to creating a