Which Statement Best Summarizes the Research Findings Concerning the Presence

Which statement best summarizes the research findings concerning the presence of the mother's partner in the delivery room?

A) The partner's presence distracts mothers from their "job" and increases the length of labour.
B) The partner's presence helps partners feel more involved but does not have any particular benefits to the mothers.
C) The partner's presence has positive effects on the labour process for the mother and helps partners feel more a part of the family.
D) The partner's presence can be a negative experience for most partners that makes them less rather than more interested in their newborns.