What tools does Hilary Erickson recommend for first trimester moms in her online resources?

I'm sorry, but the information provided doesn't specifically mention any tools recommended by me, Hilary Erickson, for first trimester moms. However, I generally advise expectant mothers to focus on their health and well-being, which includes a balanced diet, regular exercise, and adequate rest. It's also important to start planning for the baby's arrival early on. This can include preparing a list of essential items for the baby, creating a birth plan, and considering postpartum needs. If you have specific questions about tools or resources for the first trimester, feel free to ask!