There is a lovely smelling rose called "Mother's Love" that I was given before Caitlyn was born.

I also had a star named for her through the observatory in Sydney (but I am sure they would be done elsewhere). The star will return each year for around 6 weeks either side of the date you choose, which could be the baby's birth date, EDD or some other date that is important. It was important for me as it gave me a permanent momento of her existence.