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Geneva, Switzerland, WHO, 1984. 37 p. (Immunization in Practice. A Guide for Health Workers who Give Vaccines. Module 1.; EPI/PHW/84/1)This module, a guide for health workers who give vaccines, explains what those who give vaccinations need to know about vaccines and when to give them. As health workers cannot learn all that they need from a book or from lectures, a "Trainer's Guide" includes suggestions for practical exercises as well as answers and comments for the questions and exercises in this module and the 6 other modules in the series. This module covers the following: the properties of the 6 Expanded Program Immunization (EPI) vaccines; how to look after vaccines in a health center; the immunization schedule; contraindications to immunization; and doses, courses, and side effects of the 6 vaccines. The EPI aims to immunize all children against 6 important infectious diseases that are very serious and can kill or cripple many children: poliomyelitis; measles; diphtheria; pertussis; tetanus; and tuberculosis. The module includes some practical exercises.
In: Zatuchni GL, Goldsmith A, Shelton JD, Sciarra JJ, ed. Long-acting contraceptive delivery systems. Philadelphia, Pa., Harper and Row, 1984. 1-19. (PARFR Series on Fertility Regulation)Depo-Provera (depomedroxy-progesterone acetate, or DMPA) and NORPLANT (the Population Council's registered trade name for subdermal implants) are focused on in this literature review. Over the past 17 years, more than 1 million individual doses of Depo-Provera have been supplied in Thailand. Currently 6,000 women a month use the method. Depo-Provera has proved outstandingly successful in Bangladesh for years. The basic disadvantage of long-acting steroid systems is that return to fertility is slow and unpredictable. Other disadvantages include menstrual distrubances and weight gain. Acceptability of injectable contraceptives has been studied primarily by the World Health Organization (WHO). In 1976, the Task Force on Acceptability of Research and Family Planning explored preferences among 3 routes of contraceptive administration: 1)oral; 2)intravaginal; and 3)injection. The study was conducted in Indonesia, Korea, Pakistan, and Thailand. Although the oral route was generally preferred by most women, many respondents still chose the injectable. A WHO III multicentered trial comparing the use, effectiveness, side effects and bleeding patterns of Depo-Provera and norethisterone enanthate (NET-EN) was terminated after only 1 year because of excessively high pregnancy rates with NET-EN. A total sample of about 250 women in Manila and Alexandria were interviewed. Results indicated that the 2 most important considerations were effectiveness and menstrual bleeding. Depo-Provera did not affect menstruation. Various types of subdermal implants releasing a contraceptive Silastic implant, is placed beneath the skin of the forearm or upper arm and provides 5 or more years' protection against pregnancy. The 6 capsules are not biodegradable and require surgical removal under local anesthesia.
Outlook. 1984 Dec; 2(4):4.Recent recommendations and statements issued by the US Food and Drug Administration (FDA), the Planned Parenthood Federation of America (PPFA), and the International Planned Parenthood Federation (IPPF) on the prescribing of oral contraceptives (OC) are briefly summarized. These statements reflect a growing concern about the effect of OCs on lipid metabalism. The FDA recommended prescribing OCs with the lowest effective dosage levels of progresterone and estrogen. According to the FDA's Fertility and Maternal Health Drugs Advisory Committee, OCs containing high doese of estrogens and progestins increse the risk of vascular disease. The National _medical Committee of PPFA recommede that the prescribing of high dosages of progestogens should be avoided whenever possible. The committee identified maximum dosage levels for progestogens. These maximum dosages were 1 mg for norethindrone, .5 mg for norethindrone acetate, 1 mbg for ethynodiol diacetate, .3 mg for norgestrel, and .15 mg for levonorgestrel. The committee noted that if progestogen levels are too low, breakthrough bleeding and contraceptive failure are more likely to occur. The International Medical Advisory Panel of IPPF recently issued a statement on lipid changes associated with progestogens. The panel noted that recent studies have shown that progestogens are associated with a decrease in high density lipoprotein cholesterol and an increse in low density lipoprotein cholesterol; however, the panel also noted that the subjects in the studies were given high doses of progestogens and that the studies were conducted in developed countries with high rates of obesity, alcohol consumption, and smoking.
In: Zatuchni GI, Goldsmith A, Shelton JD, Sciarra JJ, ed. Long-acting contraceptive delivery systems. Philadelphia, Pa., Harper and Row, 1984. 621-7. (PARFR Series on Fertility Regulation)Progestasert (Alza Corporation, Palo Alto, California) achieves relatively high rates of contraceptive effectiveness through the release of a sex hormone--progesterone. Currently, it is recommended that Progestaserts be replaces every 12 months and most copper-bearing IUDs, every 3 years. To improve on Progestasert's 1-year replacement interval, Alza Corporation modified the Progestasert by increasing the amount of pregesterone contained in the IUD (from 38 to 52 mg) without changing the average daily release of 65mg. This long-acting progestasert, called the Intrauterine Progesterone Contraceptive System (IPCS), was designed to have a useful life of 3 years before replacement was required. The IPCS is identical in appearance to the Progestasert, and its contraceptive action in the same as that of the Progestasert. The effectiveness of either is through the effects of an intrauterine foreign body and through the effects of the progesterone on the encometrium. The IPCS system was designed to provide maximum contraceptive protection over a 3-year period and to reduce IUD-related bleeding, pain, and expulsion problems. Results from Alza monitored trials of the IPCS in the US and Mexico indicate that the cumulative life-table pregnancy rate increased from 3.6/100 women after 25 to 30 months of use to 10.6/100 women after 30 to 36 months of use. Laboratory evaluations of removed IPCS devices indicates that after 30 months of IPCS use the release rate of progesterone may not be adequate to prevent pregnancy effectively. The World Health Organization (WHO) evaluated the IPCS in 2 multiclinic studies. Postinsertion complications and complaints for the IPCS and T Cu-200 are shown. The include cervical perforation, ectopic pregnancy, pelvic inflammatory disease, dysmenorrhea, bleeding, spotting, and pelvic pain. The IPCS seemingly offers no particular advantages for use in developing countries.