-
http://santikamelawati-tentangkebidanan.blogspot.com/2011/03/askeb-2-persalinan-faktor-yang.html
-
http://itbmotherhood.com/2011/05/25/mengejan/
-
http://medicastore.com/penyakit/573/Kontraksi_&_Persalinan.html
-
http://brilianaputrimawaddah.blogspot.com/2010/10/perubahan-fisiologis-dan-psikologis.html
-
http://eppyy19.blogspot.com/p/memberikan-asuhan-persalinan-kala-i_4212.html
-
http://sandradewi68.blogspot.com/2012/03/v-behaviorurldefaultvmlo.html
-
http://www.farmasiku.com/index.php?target=pages&page_id=Persalina_Dan_Kelahiran
-
http://giethedoctor.blogspot.com/2010/04/bab-i-pendahuluan-1.html
-
http://bidanberkarya.blogspot.com/2011/02/kebutuhan-dasar-pada-ibu-dalam-proses.html
-
http://cahayapenerangkehidupan.wordpress.com/2010/05/23/ketuban-pecah-sebelum-waktunya-kpsw/