Efficiency and acceptability of emergency contraception by
Postinor levonorgestrel-only postcoital contraceptive
Abakarova P.R., Bikovskaa O.V.
Research Centre of Obstetrics, Gynecology and Perinatology,
Moscow, Russia
Objectives: to estimate efficiency and an acceptability
levonorgestrel-only postcoital contraceptive Postinor to women at emergency
contraception.
Materials and methods: 48 women in the age of 18-39 years
(middle age of 28,0 +1,7 years) addressed in the Centre for emergency
contraception. All women have addressed in the Centre current of 48 hours from
the moment of unprotected sexual contact. Inspection for exception of
contra-indications to hormonal contraception (clinical and laboratory inspection,
ultrasonic, test for pregnancy) has been lead. To all patients with the purpose
of emergency contraception Postinor containing 0,75 mg levonorgestrel: first
pill should be taken not later than 72 hrs since sexual contact, the 2nd pill –
12 hrs after the 1st one.
Results: efficiency of application Postinor has made
100%, cases of approach of pregnancy is noted. At 27 (57,4%) women menstruation
has begun in time, shortening of a cycle for 5-7 days was marked at 7 (14,9%)
women, a delay menstruation for 3-7 days – at 8 (17,0%), more than 7 days – at 5
(10,6%) women. 14 (29,9%) patients have noted more plentiful menstruation after
reception Postinor. Collateral reactions were observed at 5 (10,6%) patients.
From them a nausea at 4 (8,5%) patients, vomiting at 1 (2,1%). In the subsequent
scheduled contraception has been recommended to all patients.
Conclusions: Postinor is highly effective and acceptable
method of urgent contraception. Efficiency of Postinor with increase in time
after unprotected sexual contact decreases.