Why B&W??
What is so special about B&W photography?? I hear this question pretty often and it doesn't surprise me that people do not understand the art of B&W. Let me tell you a little secret about B&W photography, it shows so much more emotion than what color does. If you look at the photos above, think about how they look, the peacefulness of the newborns. Now think about how they would look in color, they would still be great photos but they wouldn't have that air about them or that strong feeling of being peaceful.
Here is an article about B&W photography...
https://fstoppers.com/education/why-its-still-important-shoot-black-and-white-48141