The CDs are targeted, for example, at women who have had a caesarean section and want a vaginal birth for their next child.
London-based Clareville beat HSD Communications and Munro & Forster Communications in a pitch to secure an initial one-year contract. The agency has considerable experience in the baby products market, currently working for companies such as BabyBjörn.
NH's publicity was previously handled by a freelance PRO. Its turnover last year was £70,000 but it is aiming to double this year-on-year.
Clareville will target national and consumer press, plus media popular among midwives.