First impression is that it's clean and fresh. Colourful without looking cluttered.
The line through the circle photo looks like the header text has a strikethrough line through it. Like this: S̶m̶a̶r̶t̶,̶ ̶S̶i̶m̶p̶l̶e̶,̶ It's a bit odd.
The baby's head is a bit close to the top and the margins aren't consistent. Is there a reason for this? If it's a multipage booklet that is being bound, then you would have a wider margin on the inside edge rather than the outside edge.