| 单词 | barrier contraceptive |
| 释义 | > as lemmasbarrier contraceptive Medicine. A contraceptive device, such as a condom, cervical cap, etc., used to prevent sperm from reaching and fertilizing an egg, and (esp. in later use) to help prevent the spread of sexually transmitted infections. Frequently attributive, esp. in barrier contraception, barrier contraceptive, barrier method. ΚΠ 1938 R. L. Dickinson Control of Conception (ed. 2) vi. 78 Much of the contraceptive value of many products arises from the fact that a physical barrier to the uterine canal is formed. Barrier action is wholly dependent upon physical properties. 1967 Preventive Med. & Family Planning 77 (heading) Barrier methods of contraception. 1978 Oncol. 35 98/2 The preliminary data also show that 16.1% of the women using barrier contraception..would develop breast cancer, and 3.4% of women using non-barrier techniques..would experience this disease. 1989 J. A. B. Collier & J. M. Longmore Oxf. Handbk. Clin. Specialties (ed. 2) i. 60 Spermicides should not be used without barriers as they provide inadequate contraception cover. 1993 Gleaner (Kingston, Jamaica) 11 Mar. 17/2 A barrier contraceptive for women that also protects them from HIV infection and other sexually transmitted diseases..is likely soon to be commercially available. 1999 Daily Nation (Nairobi) 9 Dec. 23/6 Addressing HIV/Aids prevention issues as part of prevention of unwanted pregnancy with an emphasis on barrier methods. < as lemmas |
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