1. Individual or group antenatal education for childbirth or parenthood, or both;Gagnon;Cochrane Database Syst Rev,2007
2. Hvidovre Hospital. Description of the content of Danish antenatal classes over time. Hvidovre Hospital; 2012.
3. Hillerød Hospital. Description of the content of Danish antenatal classes over time. Hillerød Hospital; 2012.
4. Rigshospitalet. Description of the content of Danish antenatal classes over time. Rigshospitalet; 2012.
5. National Board of Health D. Status on regional and municipal offers in relation to pregnancy and delivery with focus on delivery and early discharge (In Danish: Status for regionernes og kommunernes tilbud til gravide og fødende med fokus på ambulante fødsler og tidlige udskrivelser). Copenhagen: 2011. Report No.: j.nr. 7–205-03-31/1/chb.