Creighton Model Oral Contraceptive Pill Condoms Intra-Uterine Device Depo Provera
(injection every 3 months)
Possible side effects None Breast cysts, weight gain,
headaches, nausea, vomiting,
irregular bleeding. May delay
return of normal fertility.
Increased risk of breast cancer,
liver tumours, elevated blood
pressure, heart attacks, phlebitis, stroke
Irritation or allergic reactions Pelvic infection,
perforation of womb
Delays return of fertility
by an average of 9
months after last shot.
Irregular menses, acne,
weight gain, headaches,
breast pain
Method Effectives to avoid pregnancy 99.5% 99.0% 94% 98% 99.7%
Effectiveness to achieve
(normal fertility)
Approx 75% per cycle.

98% within 6 cycles

Not applicable N/A N/A N/A
Continuation Rate at one year 79% 72% 63% 80% 70%
Harmful to fertility No May delay. May be short or long term No Can be Delays
Responsible for Use Man & woman Woman Man  Woman Woman
References Repro Med
1998: 43: 495-502
Contem. Obstetrics &
Gynaecology, 1988; 19: 315-26
Family Planning
Perspectives. 1999
Contraception, 1974;
10: 181-202