References
- FD Anderson, H Hait, the Seasonale-301 Study Group. A multicenter, randomized study of an extended cycle oral contraceptive. Contraception. 68: 2003; 89–96.
- M Kwiecien, A Edelman, MD Nichols. Bleeding patterns and patient acceptability of standard or continuous dosing regimens of a low-dose oral contraceptive: a randomized trial. Contraception. 67: 2003; 9–13.
- FH Stewart, AM Kaunitz, KD LaGuardia, for the ORTHO EVRA Extended Regimen Study Group. Extended use of transdermal norelgestromin/ethinyl estradiol: a randomized trial. Obstetrics and Gynecology. 105: 2005; 1389–1396.
- L Miller, CHJ Verhoeven, J Hout. Extended regimens of the contraceptive vaginal ring: a randomized trial. Obstetrics and Gynecology. 106: 2005; 473–482.
- World Health Organization, Task Force on Psychosocial Research on Family Planning, Special Programme of Research, Development and Research Training in Human Reproduction. A cross-cultural study of menstruation: implications for contraceptive development and use. Studies in Family Planning. 12(1): 1981; 3–16.
- I Tonkelaar, BJ Oddens. Preferred frequency and characteristics of menstrual bleeding in relation to reproductive status, oral contraception use, and hormone replacement therapy use. Contraception. 59: 1999; 357–362.
- I Wiegratz, HH Hommel, T Zimmermann. Attitudes of German women and gynaecologists towards long-cycle treatment with oral contraceptives. Contraception. 69: 2004; 37–42.
- Reproduction Humaine et Hormones, Symtomes liés au cycle: doivent-ils rester une fatalité? Résultat d'une grande enquête miroir TNS Sofres. Médecins/patientes sur l'attitude vis à vis des règles et la prise en charge des symptômes liés aux cycles. SOFRES Survey. 2006, Vol XIX, n° Spécial, p.1–11.
- S Ferrero, LH Abbamonte, M Giordano. What is the desired menstrual frequency of women without menstruation-related symptoms?. Contraception. 73: 2006; 537–541.