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  1. 1
    Peer Reviewed

    Maternal anthropometry for prediction of pregnancy outcomes: memorandum from a USAID/WHO/PAHO/MotherCare meeting.

    Krasovec K; Anderson MA


    The memorandum is an abbreviated version of a prepared report on maternal anthropometry which summarizes the general recommendations of a consensus of 50 experts on field applications and priority research issues in developing countries. Consensus was reached at a meeting on Maternal Anthropometry for Prediction of Pregnancy Outcomes held in Washington, D.C. in April 1990. 15 general recommendations are identified for field applications and research priorities. Specific recommendations differentiating field applications from research priorities are provided for prepregnancy weight, weight gain in pregnancy, height, arm circumference, and weight for height and body mass index. For example, the discussion of arm circumference indicates that it is useful as an indicator of maternal nutritional status in nonpregnant women because of its correlation with maternal weight or weight for height. During pregnancy, it is useful as a screen for risk of low birth weight (LBW) and late fetal and infant mortality. Maternal arm circumference has been found to be stable during pregnancy in developing countries and is independent of gestational age. Field applications involve the use 1) to assess the nutritional status of pregnant and nonpregnant women, 2) to screen women at risk of poor maternal stores postpartum because it reflects maternal fat and lean tissue stores, for instance, 3) to screen women and refer to facilities for a more thorough assessment of nutritional risk, and 4) to assess the extent of undernutrition in an area, particularly for surveillance. Community level workers, especially birth attendants (TBA's) should be trained and have access to arm circumference tapes. The technology is simple enough also for use by women in the home. Cutoff points for assessing biological risk are fairly consistent across developing country populations, and range between 21-23.5 cm. Routine monitoring during pregnancy is not necessary because the changes are too small to detect. Where prepregnancy weight is unavailable and weight is monitored, arm circumference may serve as a proxy for prepregnancy weight. All women of childbearing age should be measured. Research priorities are to explore the functional significance with women of difference body compositions (fat versus lean upper arm), the relationship to pregnancy related outcomes, arm changes relative to stages throughout the reproductive period and to weight changes, different instruments such as color-coded tapes or 1 tape for arm measurement and uterine height, combinations of different measurements, the relationship with prepregnancy weight, and the development of arm circumference in weight gain charts as a proxy for prepregnancy weight.
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  2. 2
    Peer Reviewed

    Clinical features of paediatric AIDS in Uganda.

    Lambert HJ; Friesen H


    A total of 177 children seen at 2 hospitals in Kampala are described who were strongly suspected of having acquired immunodeficiency syndrome (AIDS), either on clinical grounds or because they fulfilled WHO case- definition criteria for diagnosis of pediatric AIDS. Blood was taken from the 177 children and 154 of their mothers and tested for antibody to human immunodeficiency virus (HIV) by an enzyme-linked immunoassay (ELISA). Altogether, 119 (67%) children were seropositive, but only 85 (71%) fulfilled the WHO case-definition criteria, and they were significantly older than the 34 who did not fulfill the criteria. A further 58 children were seronegative but fulfilled the WHO criteria. Of the 119 seropositive children, only 3 had a history of previous blood transfusion, but 103 (98%) of 105 mothers were HIV seropositive: consequently, their children were considered to have been infected in utero or perinatally. 13 (26%) of 49 mothers of seronegative children were seropositive. 80% of HIV-infected children were under 2 years of age at diagnosis and 23% died within 3 months of diagnosis. None of the parents was known to be an intravenous drug user, a prostitute, or bisexual. The difficulty of accurate diagnosis of AIDS presents a major problem in Africa, as the WHO clinical case-definition criteria alone are clearly not adequate. (author's)
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  3. 3
    Peer Reviewed

    Multinational comparative clinical evaluation of two long-acting injectable contraceptive steroids: norethisterone oenanthate and medroxyprogesterone acetate. 1. Use-effectiveness.

    World Health Organization [WHO]. Special Programme of Research, Development and Research Training in Human Reproduction

    Contraception. 1977 May; 15(5):513-533.

    A 10-center study of the use-effectiveness of long-acting systemic contraceptive agents is reported. 200 mg of norethisterone enanthate (NET-EN) was administered every 12 weeks + or -5 days to 832 women and 150 mg of depot medroxyprogesterone acetate (DMPA) was administered to 846 women on the same schedule. The cumulative 12-month gross pregnancy rate/100 woman-years was 3.6 + or -.7 for NET-EN and .7 + or -.4 for DMRA. 54% of all the pregnancies in the NET-EN group was contributed by 2 of the 10 centers. 75% of the NET-EN pregnancies occurred during the 1st injection period, primarily in the last 4 years. The admission weight of NET-EN women who became pregnant was significantly lower than those for whom the method was successful. This difference was absent in the DMPA group. The cumulative discontinuation rate for medical reasons at 12 months was 16.9 + or -1.4/100 woman-years for NET-EN and 23.4 + or -1.7 for DMPA. The discontinuation rate for amenorrhea was significantly higher for DMPA than for NET-EN. Differences between the drugs for bleeding irregularities were insignificant as were discontinuations for nonmedical reasons. This study represents a successful attempt at comparing the use-effectiveness of 2 drugs under highly standardized conditions using a large sample drawn from a number of internationally representative settings.
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  4. 4

    Long-acting systemic contraceptives.


    In: Diczfalusy, E., ed. Regulation of human fertility. (Proceedings of the WHO Symposium on Advances in Fertility Regulation, Moscow, USSR, November 16-19, 1976) Copenhagan, Denmark, Scriptor, 1977. p. 323-360

    Long-acting systemic contraceptives inhibit fertility either at a central or peripheral level. In some instances, a mixed reaction is likely to be working: during the 1st portion of the drug's life-span the contraceptive effect is exerted at a hypothalamic central level, whereas later on--when ovulation is restored--the action is on the cervix or uterus. The most important factor holding back utilization of long-acting agents is serious interference with regularity of the menstrual cycle, and delivery systems must be devised with zero-order release rates to improve cycle control and acceptability. Monthly injectables consisting of synthetic progestins alone proved unsuitable for contraception because of frequent and prolonged amenorrhea. Addition of an estrogenic substance helped cycle control, and a dihydroxyprogesterone acetophenide plus estradiol enanthate combination seems most worthy of clinical investigation; so far, 15,000 woman-months of experience have yielded no unwanted pregnancies. Few bleeding pattern irregularities were reported, but premenstrual tension, dysmenorrhea, and libido changes occurred. Reversibility of drug-induced anovulation has been shown by spontaneous ovulation resumption 12-42 weeks after cessation. Tri-monthly injections of Depo Provera resulted in pregnancy rates averaging .5/100 woman-years of use. Biannual injectable and sustained release systems are discussed and data are presented.
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