For a number of years I have kept a record of obstetric cases occurring in my practice. I have thought a careful study of these might be of general interest. It certainly has been of service to me.
These results would seem to controvert the popular idea that most babies are born in very cold weather, as by far the larger number of my cases (383) occurred in the months from April 1 to September 30.
Delivery occurred at the following times of day, in threc-hour periods:
COSTON HR. AN ANALYSIS OF 700 CASES OF LABOR. JAMA. 1913;60(26):2033–2035. doi:10.1001/jama.1913.04340260007005
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