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At least 37 records · Page 2Linked to original sources
PubMed1975

The use-effectiveness of two contraceptive methods in a Navajo population: the problem of program dropouts.

Navajo Indian intrauterine contraceptive device (IUD) and oral contraceptive users between 1966 and 1971 were followed up to estimate life table rates of complications and continuation. Because of high rates of dropping out, 41.6 per cent of 291 oral contraceptive users and 18.2 per cent of 534 IUD users, a 26 per cent sample survey of the dropout population was used to collate the dropout population data into the life table analysis. Estimates of the IUD continuation rates for one, two, and three years are similar to rates published elsewhere; however, continuation rates for the oral contraceptive are clearly lower than those for other populations, which only 33 per cent continuing after one year, 23 per cent after two years, and 12 per cent after three years. The IUD user is two to three times more successful than the oral contraceptive user in this population.

Adolescent↗
PubMed1979

An analysis of the influences of maternal age, gestational age, contraceptive method, and the mode of primary treatment of patients with hydatidiform moles on the incidence of subsequent chemotherapy.

In relation to the total number of births in the United Kingdom there was an excess of hydatidiform moles arising in women over 34 years of age and possibly also under 15. The incidence of trophoblastic tumour requiring chemotherapy after hydatidiform mole was greatest in the 30 to 34 years age group and it was also high in the 20 to 24 years age group. This distribution appears to be influenced by the morphology of the moles, the mode of their removal and the use of oestrogens and progestogens in the post-evacuation period. The need for chemotherapy for trophoblastic tumour after evacuation of a hydatidiform mole was found to be two- to three-fold greater in patients who had undergone a medical induction, hysterectomy or hysterotomy compared with those whose hydatidiform moles had been evacuated by vacuum or surgical curettage, or who had aborted spontaneously. The increased risk of chemotherapy was most marked in the earlier weeks of gestation.

Adolescent↗