Wife's friend baby becomes yours

Your wife has a new friend named Erin. Erin is only 23 and is an assistant at her school. She came mid year and was pregnant. Lauren and Erin are close with Erin at your house almost every day. you keep your distance. Your polite but distant out of respect for your marriage. You do errands and hep out. Erin is due in middle of July so your wife and kids go visit her family while you spend a week at home by your self. Monday is all relaxing, Tuesday is supposed to be more of the same before starting the honey do list when Erin comes over. Her ac is out, so you let her in while you go to work in the back yard. An hour later she comes to the door "I think I need to go to the hospital" Is Included