My baby girl is 2 weeks old today and has not gone poop since yesterday at 1 30 am. She has been crying a lot more and it's not like her to cry for nothing. What home remedies can I do to help her? I was breastfeeding but had to switch to formula which is why I think she got constipated. I gave her Similac advanced but switched to Similac sensitive because it made her stomach hurt. Any advice ?!