The Duchess of Cambridge was admitted to hospital this week for acute morning sickness - also known as hyperemesis gravidarum.
What that means is that Kate will be suffering from excessive vomiting during the early stages of her pregnancy and, as a result, could become seriously dehydrated.
This made us think: pregnancy can be hard work. And it can be even harder when your nutrition is in a state of disarray.
From avoiding dehydration (a major cause of constipation, morning sickness and serious headaches) to why eating protein is incredibly good for your baby (thumbs up to that!) - prepare to be enlightened...