Menstrual problems of adolescence.
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Increased sexual activity among adolescents demands that the health care provider have a thorough understanding of contraceptive methods and application. In this article, the principles of hormonal contraception are discussed, providing relevant information for use in advising and managing the sexually active adolescent.
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Basal serum-prolactin concentrations were high until 15 months post partum in nursing mothers in Central Africa (Lwiro). They were significantly lower in menstruating than in amenorrhoeic nursing mothers. These results support the hypothesis that prolactin is involved in the long-lasting amenorrhoea which occurs in regions where breast-feeding is prolonged for up to 2 years after delivery.
19 women with anovulation after discontinuing oral contraceptive agents and with normal plasma-prolactin concentrations were treated with bromocriptine. Ovulation and menstruation were restored in 9 of the 13 amenorrhoeic and 5 of the 6 oligomenorrhoeic patients. The success-rate (74%) indicates that bromocriptine is an effective treatment for post-pill anovulation in normoprolactinaemic women.
The prostaglandin-synthetase inhibitors, mefenamic acid and flufenamic acid, were compared with the analgesic, dextropropoxyphene/paracetamol, in the treatment of primary dysmenorrhoea in a double-blind crossover trial. Results were assessed in 30 patients who took each drug during menstruation for three consecutive cycles. The patients' assessment of each drug suggests that both mefenamic acid and flufenamic acid are more effective than the other analgesic for general relief of symptoms and for most of nine individual symptoms subjectively assessed by the patient. There was less absenteeism from work or school during mefenamic-acid treatment and fewer capsules of mefenamic acid were taken compared with the other two drugs. Patients took significantly fewer additional analgesics during mefenamic-acid therapy than during treatment with the other two drugs. 5 patients had possible side-effects--3 patients on mefenamic acid and 2 on dextropropoxyphene/paracetamol.
A double-blind cross-over trial of flufenamic acid three times a day (200 mg) was carried out in forty-four patients with primary dysmenorrhoea. While on flufenamic for 3 months 82% of patients experienced significant pain relief. Associated gastrointestinal symptoms, i.e--vomiting and diarrhoea--were relieved in 66% and 52% patients respectively while on flufenamic acid. It is concluded that the fenamates are useful and safe drugs in the treatment of primary dysmenorrhoea.
After exclusion of primary ovarian failure and causes of infertility not due to contraception 48 patients with post-pill amenorrhoea (PPA) and 47 patients whose amenorrhoea did not follow oral contraception received treatment aimed at inducing ovulation. In the patients with PPA the cumulative conception rate was 91% at 12 months from the start of treatment and 98% at 24 months. 80% gave birth to a child by 18 months and 95% by 30 months. These rates were similar to those of the non-PPA group and to previously published normal rates. Hence PPA poses no serious threat to fertility, unlike the tubal damage that may result from use of an intrauterine device. Whatever their previous menstrual history women, especially the nulliparous, who are concerned about their future fertility should be recommended oral contraception in preference to an intrauterine device.
4 of 7 women who had undergone tubal ligation within the past seven years were found to have oestrogen excretion concentrations at ovulation below the tenth percentile. A disturbance in the oestrogen/progesterone ratio as a consequence of localised hypertension at the ovary, when the utero-ovarian arterial loop is occluded at tubal ligation, is proposed as a possible cause of oestrogen deficiency syndrome, dysfunctional uterine bleeding, and menorrhagia after tubal ligation. Similar pathophysiology may occur after hysterectomy with ovarian conservation.
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Three female adolescents are presented with delayed or incomplete secondary sexual development due to primary ovarian failure. All three patients had normal blood leukocyte and ovarian tissue karyotypes. The importance of performing a diagnostic laparoscopy with ovarian biopsy in the setting of chromosome competent ovarian failure (CCOF) is emphasized.
Several factors potentially involved in the menstrual dysfunction of some females with cystic fibrosis were analyzed by a retrospective chart review. The mean age of menarche for the cystic fibrosis patients was 14.4 years, compared to 12.9 years for American females (p less than 0.001). At last evaluation, comparison of the mean figures for amenorrheic patients and for menarchal cystic fibrosis patients reveals statistically significant differences in the age of diagnosis, weight-height index, weight, height, percent of body fat, weight percentile, and height percentile. The highest correlative was weight (r = 0.59). Of our cystic fibrosis patients who were menarchal, 95% had a weight greater than 82 pounds, whereas 75% of those who were amenorrheic weighed less than 82 pounds. Menstrual irregularities, sexual activity, and contraceptive use among these patients also is discussed.
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