Options are not provided in the question so the answer is generalized.
The nurse should explain the differences between true labor pain and false labor pain. In case of true labor the contraction will be at regular intervals. The intensity of true labor increases. True labor is consistent and does not go way with rest. In case of false labor, the contraction is inconsistent and goes away with rest.
According to sources, the data gathering for this type of research can make use of archival data. Some photographs are taken few years ago and can be compared to the present condition.Thank you for your question. Please don't hesitate to ask in Brainly your queries.