Horrible sentiments really. I've no doubt they are legitimate, and given the poor woman's pregnancy history, perhaps understandable. But the wider family, all friends, all aquaintences, the schools... They'll all read this.
And later, the child will do and that kind if thing is just horrible and can really mess up a child's or adult's head. I have seen the look on a child's face when they were described as a "happy accident". No child deserves to be told they were an accident 