Magazines Mother & Baby Bauer Media [email removed]
Nursery World Haymarket Publishing Lte [email removed]
Pregancy & Birth Bauer Media [email removed]
Prima Baby & Pregnancy National Magazine Company [email removed]
Those are magazine's for photographers submissions maybe your best approach would be to post a shared content casting for published photographer.
Anyone new [photographer] who has not previously been published would to be honest a long shot.