Which of the following types of measurements includes size, weight, and proportions?

Orthostatic measurements primarily relate to the body's position and the changes in blood pressure and heart rate when moving from a lying down to a standing position. This type of measurement is more focused on physiological responses rather than physical dimensions like size or weight, making it irrelevant to the question at hand.

Fundal measurements refer to the distance from the pubic symphysis to the top of the uterus during pregnancy. This type of measurement is specific to maternal health and does not encompass general size, weight, or proportions of the body, thus making it unsuitable for the question.

Circumference measurements focus specifically on the distance around a particular part of the body, like the waist or head. While circumference can relate to body size, it does not encompass the full range of measurements including weight and proportions, which are integral to anthropometric assessments.