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PubMed1988

Adaptational features of mothers' risk and prevention appraisals after the birth of high-risk infants.

Sixty-seven mothers were interviewed at the time of their child's discharge from a newborn intensive care unit and 6 months after hospital discharge. After 6 months, mothers who had done more to prevent adverse pregnancy outcomes, had been more optimistic about the outcomes of their pregnancy, and saw their infant's complications as more avoidable reported greater concurrent mood disturbance and/or more distress ensuing from their child's hospitalization. Mothers' risk and prevention appraisals also played a role in their attitudes toward future childbearing, independent of mothers' reproductive history, the severity of the infants' medical condition, and the infant's behavioral difficulty at 6 months. The single most important predictor of mothers' expectations of future pregnancies, however, was whether the child was first born.

Adult↗
PubMed1988

Gestational aspects of uterus didelphys.

The reproductive history was analyzed of 13 women with a laparoscopic or laparotomy diagnosis of uterus didelphys and followed for two to six years. Two patients (15.4%) presented with primary infertility; the other 11 had a total of 27 pregnancies, the outcome of which was spontaneous abortion in 20 cases (74%), premature labor in 6 (22.2%) and term birth in 1 (3.7%), with a live birth rate of 18.5%. Metroplasty was performed in five cases, with live birth in three, spontaneous abortion in 1 and no postoperative conceptions in one. Cervical cerclage was performed in only one case and bilateral ovarian resection in one. The live birth rate, considering all pregnancies before and after treatment, was 35%. The compromised fertility of the uterus didelphys is probably attributable to congenital alterations in vascularization that may have a negative influence on developmental phases following implantation, particularly the structuralization of the fetomaternal relations that precede placentation.

Adult↗
PubMed1987

Effect of altrenogest on pregnancy maintenance in unsynchronized equine embryo recipients.

Non-surgical embryo recovery attempts were done on Day 7 after ovulation. Embryo recovery rate from mares of varied reproductive histories was 57% (38/67). Non-surgical transfer of these embryos into altrenogest-treated recipient mares that ovulated between 3 days before and 3 days after the donor resulted in a 30-day pregnancy rate of 77% (10/13). Transfer of embryos into altrenogest-treated recipients that ovulated between 4 days before and 6 days after the donor resulted in an overall pregnancy rate of 64% (16/25) at Day 30 of gestation. No recipients that were in oestrus at the start of treatment, nor recipients that ovulated 5 or more days before the donor, maintained pregnancy. Mean plasma progesterone concentrations of pregnant, altrenogest-treated, embryo-recipient mares; pregnant, altrenogest-treated, untransferred mares; and pregnant, untreated, untransferred mares were comparable (P greater than 0.05). Treatment of embryo-recipient mares with altrenogest appears to be beneficial in extending the degree of donor-recipient synchrony required for successful embryo transfer. Altrenogest treatment also seems to be conductive to pregnancy maintenance in recipients experiencing luteal dysfunction.

Animals↗
PubMed1987

Perinatal mortality in southern Brazil: a population-based study of 7392 births.

Perinatal, fetal and early neonatal mortality rates were determined in a population of 7392 babies born in hospitals in Pelotas (total population, 260 000) during 1982. These babies represented over 99% of all births in the city in that year. The perinatal mortality rate for singletons was 31.9 per 1000 total births, the fetal mortality rate being 16.2 and the early neonatal mortality rate 15.9 per 1000 total births.The most important variable influencing perinatal mortality was birth weight; low-birth-weight babies were 17 times more likely to die in the perinatal period than those weighing 2500 g or more. Perinatal mortality was also strongly influenced by socio-economic status, which was measured by family income. Babies belonging to the poorest families were 3 times more likely to die during the perinatal period than those in families with the highest incomes. Other variables significantly associated with perinatal mortality were gestational age, maternal age, maternal weight and height, reproductive history, attendance in antenatal clinics, parity, and birth interval. Information on most of these risk factors can easily be obtained by health workers at the beginning of pregnancy and should be taken into consideration when allocating women to the proper level of care.

Adult↗
PubMed1987

[A collaborative study of habitual abortion in couples with normal and abnormal karyotypes].

A collaborative study in 732 couples presenting repeated spontaneous abortions (RSA) and normal karyotype and in 144 couples with RSA and chromosome abnormality has been carried out involving 18 French cytogenetic laboratories. Couples with RSA and normal karyotype were classified from prior reproductive history in order to find other etiological factors. Couples with RSA and abnormal karyotype were investigated with respect to the types of aberration and familial history. Results are compared to previous reports.

Abortion, Habitual↗
PubMed1987

[Incidence of cancer in relation to place of residence, social class and occupation].

The variation in the incidence of cancer between geographic areas and socioeconomic classes is outlined. In many instances the differences in the incidence can be attributed to differences in life-style factors such as smoking, diet, sexual habits, and the reproductive history of women. The role of smoking as an explanator of the variation in the risk of lung cancer between occupational groups is emphasized.

Adult↗
PubMedDate not supplied

Neoplasms in the oviducts of turkeys.

The reproductive tracts of turkey breeder hens from five flocks were examined grossly and histologically. Hens from one flock had a normal reproductive history, but hens from the four other flocks had poor records in both egg production and hatchability. Nodular growths occurred in the oviducts of birds in all five flocks. The incidence of lesions varied from flock to flock and from bird to bird. In four flocks, lesions were small and consisted of areas of dysplasia with adenomatous change. Histologically, the lesions in some birds in the fifth flock were adenocarcinomas. No metastases were observed.

Adenocarcinoma↗
PubMed1987

Incidence of thyroid cancer in women in relation to known or suspected risk factors for breast cancer.

There is evidence to suggest that breast and thyroid tumors occur together in the same woman more often than would be expected by chance. This study investigates the possibility that various known risk factors for breast cancer also influence the risk of thyroid cancer in women. Female residents of western Washington, in whom papillary, follicular, or mixed thyroid cancer had been diagnosed between 1974 and 1979 (N = 182), were interviewed regarding their medical and reproductive histories. For comparison, a random sample of 389 women from the same population were interviewed. Women who had a history of breast cancer were almost 3 times (95% confidence interval, 0.78-7.9) more likely to develop thyroid cancer than women with no such history. However, a history of breast cancer in a woman's mother did not increase her risk of thyroid cancer. Neither nulliparity, infertility, late age at first full-term pregnancy, early age at menarche, nor a history of abortion or miscarriage before first full-term pregnancy appeared to influence the occurrence of thyroid cancer. Increased weight was associated with an increased risk of thyroid cancer; relative to women who weighed 52 kg or less, those who weighed 60 kg or more had a 2.5-fold elevation in risk. These findings suggest that while cancers of the breast and thyroid are epidemiologically similar in a few ways, there are important differences in a number of their risk factors.

Adult↗
PubMed1985

Multiple cancer--an epidemiologic exercise in Finland.

The material of the Finnish Cancer Registry from 1953-79 (279,745 cancer patients, 774,518 person-yr at risk) was analyzed for the occurrence of multiple cancer. There were 5,871 new primary cancers in the series (excluding the first 12 mo from diagnosis of the first cancer). A positive association between cancers with similar etiology could be demonstrated, e.g., between cancers of the lip, larynx, and lung (smoking) and between cancers of the breast and endometrium (hormones, reproductive history). Clustering of different risk factors resulted, e.g., in an excess risk of colon cancer among female breast cancer patients (risk factors in both cancers are prevalent particularly in higher-social classes). Differences in the distribution of the risk factors resulted in risk deficits, e.g., low relative risk of lung cancer among male colon cancer patients (the prevalence of smoking was highest in the lower-social classes and the prevalence of risk factors in colon cancer was highest in the higher-social classes). The risk of leukemia was increased among patients with cancers of the breast, endometrium, and thyroid (possibly due to irradiation). There was a high relative risk of salivary gland cancer among patients with skin cancer other than melanoma or basal cell carcinoma in both sexes. The relative risk of a new primary cancer decreased with increasing age at diagnosis of the first cancer. The length of follow-up was positively associated with the relative risk of many cancers, although this finding was not as consistent as that with age.

Adolescent↗
PubMed1985

Epidemiology and etiology of ovarian cancer: a review.

Ovarian cancer is the most frequent cause of death from gynecologic malignancies in the western world. Much effort has been put into attempts to correlate differences in incidence rates with environmental, endocrinologic, and genetic factors. A review of the literature reveals that there is currently no evidence to incriminate any single etiologic factor for this group of tumors. There is growing evidence of familial predisposition in a small group of patients and of a relationship with reproductive history. If current knowledge of the epidemiology of ovarian cancer is to be translated into disease prevention, more attention should be paid to women at risk because of their family history, and more awareness should be made of the protective effect of oral contraceptives.

Adult↗
PubMed1985

Dietary influences upon colon carcinogenesis.

A succession of case-control studies of diet and colon cancer, predominantly in developed countries, has produced varied and generally inconsistent findings. The somatic mutation theory of carcinogenesis has dominated much of cancer research for the past 30 years, encouraging emphasis on exogenous genotoxic agents capable of inducing malignant transformation via heritable damage to DNA. Increased risks of human cancers due to various potent chemical carcinogens (found in certain occupations), ionizing radiation, and sunlight have corroborated this "toxicological" view of cancer. Recently, however, greater emphasis has been paid to cancer as a disorder of growth control. The stimulation or derepression of cell growth, via hormones or proto-oncogene activation respectively, is likely to reflect "metabolic" disturbances--such as can be caused by diet. If diet influences large bowel carcinogenesis via mediating metabolic or biochemical factors such as intracolonic pH, production of bile acid metabolites, and fermentative production of volatile fatty acids (which appear to influence mucosal cell stability), then a variety of configurations of diet may have an equivalent net effect upon bowel carcinogenesis. Further, non-specific aspects of diet (such as total energy intake and frequency of eating) may be important; indeed, those two factors were found to be positively and independently associated with large bowel cancer (LBC) risk in our Adelaide case-control study. The accumulating evidence that other factors that alter sex hormonal status and/or hepatobiliary metabolism, and physical aspects of bowel function, are also associated with altered risk of LBC adds further credence to this metabolic model. Such factors are: gender, reproductive history and oral contraceptive usage in women, cholecystectomy, and physical activity.

Bile Acids and Salts↗
PubMed1972

Thyroid disease and other maternal factors in mongolism.

One hundred women, who at the age of 35 years or more had had a child with mongolism, were investigated to discover any relation between thyroid disease and autoimmunity and mongolism and to search for other possible etiological factors. They were compared with 100 matched controls. The mothers of mongoloid children had a higher incidence of thyroid disease, either hypo- or hyperactivity (11 compared with three in the control group). The proportion with thyroglobulin antibodies was the same (18.8%) in both groups and mean serum protein-bound iodine levels were similar. There was no difference in reproductive history, diseases other than of the thyroid, frequency of previous pelvic and abdominal x-rays or incidence of infectious hepatitis during the year prior to conception.

Adult↗
PubMed1979

Sequential analysis of spontaneous abortion. II. Collaborative study data show that gravidity determines a very substantial rise in risk.

Evidence from more than 14,000 reproductive histories in the Collaborative Perinatal Project of the National Institute of Neurological and Communicative Disorders and Stroke indicates that the risk of spontaneous abortion increases considerably with gravidity. Maternal age, memory errors, and sampling bias related to recurrence risk do not account for the trend. Clustering, or tendency for abortions to follow one another, occurs in histories which include live births.

Abortion, Spontaneous↗
PubMed1979

Conservative surgery for tubal pregnancy.

Twenty-four conservative surgical procedures for unruptured tubal pregnancies were performed on 23 patients with poor past obstetric performance. All cases were diagnosed preoperatively by laparoscopy. Salpingotomy was performed in 20 cases and fimbrial expression of the ectopic pregnancy was performed in 4 cases. In the group of conservatively treated patients there were 15 live births in 11 women and 28 intrauterine pregnancies in 14 women. No ectopic pregnancies occurred in the operated tube. Early diagnosis and conservative surgical treatment of unruptured tubal pregnancy is appropriate for patients with poor reproductive histories.

Adnexal Diseases↗
PubMed1967

Sperm-agglutinating antibodies and decreased fertility in prostitutes.

Forty-eight prostitutes were studied for the presence of sperm-agglutinating antibodies. Thirty-five, or 72.7%, were positive. A control group of 25 unmarried women had a 20% incidence of reactions. The specificity of the microagglutination test is discussed. No false positive reactions have occurred from pH, dilution effects, or washing technics used in our procedure. The test reaction is related to seminal plasma-coating antigen. Prostitutes have a poor reproductive history and a high incidence of abortion. Our data suggest a relationship between circulating antibody titers and decreased fertility, but no relationship to increased abortion rate. Tissue-fixed antibodies are demonstrated in cervical and endometrial tissue of 5 prostitutes with circulating antibody titer. The significance of this finding is discussed.

Adolescent↗
PubMed1979

Iodine-131: optimal therapy for hyperthyroidism in children and adolescents?

To assess the medium- to long-term effects of I-131 therapy of hyperthyroidism in children and adolescents, we studied 51 patients (age range 6--18; boys, 43 girls) treated with I-131 for Graves' disease with hyperthyroidism at the University of Michigan Medical Center (1951--1972). Patients received total doses ranging from 3 to 81.6 mCi. The mean followup period was 14.6 +/- 7.9 yr. Hyperthyroidism was effectively treated in 49 within 1 to 12 mo. One patient failed to respond to three treatment doses, and hyperthyroidism recurred in two patients: 2 and 11 yr after initial therapy. Of these three patients, two were treated by thyroidectomy and one was retreated successfully with I-131. There were no cases of thyroid cancer, other malignancies or leukemia. The patients' reproductive histories and the health of their offspring were as in the general population. At the time of study, the prevalence of hypothyroidism was 92%, with no recurrent goiters or thyroid nodules. Iodine-131 is found to be safe and effective treatment of hyperthyroidism in children and adolescents and should be the preferred mode of therapy.

Adolescent↗
PubMed1980

Factors affecting donor artificial insemination success rates.

Pregnancy was achieved at least once by 75 of 100 women treated with artificial insemination donor (AID). In all, 94 gestations were recorded, with a mean time to achieve pregnancy of 3.3 cycles. Success rates were studied relative to ovulatory function, cervical mucus parameters, previous reproductive history, and following pelvic surgery. A life-table analysis of conception according to actual inseminations performed during each cycle gave a 61% conception rate within 6 months, including patients who discontinued therapy after only one treatment cycle. Clomiphene citrate was used freely for ovulation induction. These patients took longer to conceive (5.5 cycles), but had an abortion rate similar to that of the general group. An effect of cervical mucus on the time necessary to initiate pregnancy was not demonstrated. Six of seven patients who had undergone reparative surgery for restoration or promotion of fertility conceived. The highest number of conceptions with double AID was found on cycle days 13 and 15.

Adult↗
PubMed1984

Delayed childbearing in Sweden.

Using data from the Swedish Medical Birth Registry, we examined whether reproductive history influenced pregnancy outcomes among women aged 30 to 39 years who gave birth to a first or second child in 1976 through 1980. They were classified group 1, primigravida; group 2, gravida 2, para O; and group 3, gravida 2, para 1. Compared with women aged 20 through 24 years with the same parity and gravidity, the relative risk (RR) of late fetal deaths was significantly greater among those aged 35 through 39 years (RR: group 1 = 1.76, group 2 = 2.22, and group 3 = 2.39). The risk of giving birth to newborns who were low birth weight and preterm, or low birth weight at term, or 2,500 g or greater but preterm was greater among women aged 30 through 39 years in groups 1 and 2--significantly so for group 1 aged 30 through 39 years v group 1 aged 20 through 24 years. Risk increased with maternal age, from 30 through 34 to 35 through 39 years. The increased risk with age and parity-gravidity has ramifications for the increasing rate of delayed childbearing in the United States and elsewhere.

Adult↗