When should you first call for additional after you've been called to attend a birth and you're the only healthcare provider responsible for the management of the new born in the room

It is advisable to call for help when the mother is about to give birth. It is because in attending at someone who will be giving birth, it is needed to have more than one people to be involve as there are things to manage as the birth procedure begins. One person couldn't manage it alone, that is why it is needed for the person who is the only health care provider to call for assistance before the mother is about to give birth.

What? are u trying to do a genetic test?