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Intrauterine Devices: 22 Years of experience Mattos Guillén I., Navas Acién C., Gallego Alvarez M., Corredera Hernández J., Hernández García JM. Servicio.

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Presentation on theme: "Intrauterine Devices: 22 Years of experience Mattos Guillén I., Navas Acién C., Gallego Alvarez M., Corredera Hernández J., Hernández García JM. Servicio."— Presentation transcript:

1 Intrauterine Devices: 22 Years of experience Mattos Guillén I., Navas Acién C., Gallego Alvarez M., Corredera Hernández J., Hernández García JM. Servicio de Obstetricia y Ginecologia del Hospital Universitario “12 De Octubre”. Madrid. Spain.

2 Objectives Efficacy Safety Adverse effects Copper intrauterine device(IUD) LNG-releasing intrauterine devices(LONG-IUS)

3 Methods Retrospective manner of 8410 women who had received a IUD in FPC from January 1983 to December women were excluded: 2.02% (emergency contraception method) and 2.9% (were lost). Therefore, total study population is patients. Patients was selected according to World Health Organization elegibility criteria. Different types of copper IUD were prescribed according to the length of uterine cavity (measured by transabdominal ultrasound); one type of LNG-IUD was prescribed. 34 years: 2 chilbirth, 16º cicle day Longitudinal diameter Transverse diameter

4 Model and number of IUDs Insert/ women First IUD 2th IUD 3th IUD Model N%N%N% Copper IUD MLcu250 st MLcu250sho MLcu250min MLcu373st MLcu373sho MLcu373min Tplata200st Tplata200min Tplata373st Tplata373min NovaT Tcu340st Tcu340min GyneT FlexiT300st FlexiT EffiT380st EffiT380cor Gynefix Mirena Total % 30.3% 8.2%

5 All IUDs were inserted during menstruation, prophylactic antibiotics were not used and, in nulliparous women vaginal prostaglandins (misoprostol 100 mg) were administered 6- 8 hours before the insertion. Monitoring visits before 1, 6 and 12 months during the first year, and then annually until the removal of the IUD. IUDs contraception was mantained up to five years. In women older than 45 years was removed at menopause (at least one year of amenorrhea).

6 Studied variables: - age - parity - previous contraception method - type of IUD - number of IUD inserted per patient - complications during the insertion - duration of use - causes of removal - adverse effects (dysmenorrhea, bleeding disorders, expulsion, pelvic inflamatory disease, uterine perforation) and efficacy.

7 Results Mean age: 30.5 years (18-44) Parity: Nulliparous ,6% At least one vaginal delivery ,5% Caesarean 5566,9% Total %

8 Number of IUD for women 1 IUD % 2 IUD % 3 IUD % Total %

9 Mean Duration of Use of the IUD –First IUD 52 months –Second IUD36 months –Third IUD23 months

10 Previous Contraception Method MethodNumber% OC IUD Barrier method Natural None Others Total

11 Insertion Complications Number% Without difficulty Difficult Insertion Cervical dilatation Light to moderate pain Severe pain Uterine perforation Total

12 Complications of IUD use in the first year of follow-up Expulsion 74 (1.04%) P.I.D. 93 (1.3%) Bleeding disorders 357 (5%) Severe dysmenorrhea 35 (0.5%) Good tolerance 6598 (91.9%) Total 7157 (100%) 559 (7.8%)

13 Complications that forced IUD removal. First and fifth years of follow-up data First year Fifth year (N= 7157)(N = 4225) P.I.D. 78 (1.1%) 63 (1.5%) Severe dysmenorrhea 32 (0.45%)21 (0.5%) Bleeding disorders 178 (2.5%) 211 (5%) Migrations 0 (0.0%) 3 (0.01%) Total 288 (4%) 298 (7.1%)

14 Return to fertility after IUD removal in the first year Pregnancy 5353 (74.9%) No Pregnancy1769 (24.1%) Total 7122 (100%)

15 Five pregnancies accumulated in 5 years: Pearl index/5 years = pregnancies accumulated in 22 years: Pearl index/22 years = 0.3 Method Efficacy

16 LNG-Releasing IUD, 400 women - Most common adverse effects, were mastodynia and weight gain both with a rate lower than 1.5%. - No cases of uterine perforation or pregnancy occurred. - Pearl index at five years of follow up was zero.

17 - Changes of menses. Months61224 Amenorrhea4%15%23% Regular menses75%72%70% Irregular menses17%9%4% LNG-Releasing IUD, 400 women

18 Conclusions: * IUD is a safe and effective contraception method in appropriately selected patients. * The rate of return to fertility is high, as is its efficacy (Pearl index equal to 0.3 during the 22 years period of the study). * Adverse effects are rare. Globally, main complications are PID and abnormal bleeding. In contrast, use of LNG-IUD is associated with oligomenorrhea in a percentage of patients, which it could be considerated a favourable effect for women with hypermenorrhea, either secondary to copper intrauterine device use or spontaneous


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