Breastfeeding

Sottong, Ursula; Fortrie, Corinna; Bremme, Michael; Freundl, Günter:
Acceptance and practicability of NFP during the lactation period. Vth International Congress „Health and Child Spacing Through Natural Family Planning and Family Life Education, IFFLP/FIDAF World Congress“, 17.-27. August 1989, Nairobi, Kenya.

Sottong, Ursula; Bremme, Michael; Freundl, Günter:
Lactational Amenorrhea and Lactational Anovulation in 109 Breastfeeding Women, in: Advances in Contraception (1992), Vol. 8, No. 3, p. 269-270.

Sottong, Ursula; Freundl, Günter; Fortrie, Corinna:
Primi risultati di uno studio sulla practicabilità e sulla accettazione dei metodi naturali durante l’allattamento. La Regolazione naturale della fertilità: Scienza, cultura, esperienza verso il 2000. Atti del II. Congresso Internationale, 9-12 Dicembre 1993, Mailand, in: Kongressbericht Mailand (1993), S. 431-440.

Sottong, Ursula; Bremme, Michael; Ballhausen, Ulrike:
Return of fertility post partum and during lactation period (Interim report). 4th European Congress of the IFFLP/FIDAF. Natural Family Planning and Marriage Enrichment, 16.-24.5.1987, Institut für Ehe und Familie (Hrsg.), Wien 1988, Dokumentation Wien, S. 80-94.

Sottong, Ursula; Bremme, Michael; Frank-Herrmann, Petra; Freundl, Günter:
Rückkehr der Fertilität post partum und Stillen, in: Archives of Gynecology and Obstetrics (1993), Vol. 254, No. 1-4, S. 286-287.