3 & usually 1-2 hours , hope this helps some !
Your tone of voice should be friendly, professional, and sincere to keep a patient engaged. Improving your tone can be as simple as smiling, taking a deep breath, and approaching with a genuine desire to help.
Explanation: According to the U.S. Census Bureau, there is one birth every eight seconds in the United States, or about 10,800 births per day. Worldwide, approximately 350,000 to 400,000 people are born daily on average.