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A review is given of the various methods of assessing carbohydrate tolerance in pregnancy. Oral glucose tolerance screening and diagnostic tests have been in use for more than 25 years. They are easily administered, relatively inexpensive, and present reasonable sensitivity; therefore, they continue to be used quite extensively. However, lack of reproducibility of the results and side effects such as nausea, vomiting, and headache have led to the use of alternate methods including glucose polymer (Polycose) and standard breakfast meals. These methods have been reported to present satisfactory results in clinical practice. Glycosylated hemoglobin (HbA1c) and fructosamine assays are also alternate forms of testing carbohydrate metabolism HbA1c measurement have been proven insensitive as a screening test for gestational diabetes, while their use as an index of overall glucose control remains valuable. The role of fructosamine in the assessment of carbohydrate intolerance remains controversial with conflicting claims made by various investigators regarding its sensitivity in detecting gestational diabetes and its response to alterations in glycemic control. In this review, the relative advantages and disadvantages of each glucose tolerance test are discussed and recommendations are given regarding their utility in pregnancy.
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PMID:Assessment of carbohydrate tolerance in pregnancy. 200 Feb 1

We describe a case of keto- and lactic acidosis in a 22 year old, healthy woman hospitalized for preterm labor at week 32 of gestation. One former pregnancy was normal. Blood glucose level at admission was 115 mg/dl after 8 mg of betamethasone. Continuous salbutamol infusion was used for management of preterm labour. 18 hours later, the patient complained about nausea and dyspnoea followed by tachypnoea and hyperventilation. Blood gas analysis showed severe metabolic acidosis (ph 7.25, BE-17.5, pO2 114 mm Hg, pCO2 15.5 mm Hg). At this moment blood glucose level was 178 mg/dl. Ketone bodies in urine were positive, serum lactate level was also elevated at 8.6 mmol/l. Cesarean section was performed because of prolonged fetal bradycardia. 6 months post partum type-I-diabetes could be excluded. We conclude that this case of acidosis was due to both, beta-2-adrenergic treatment and beginning gestational diabetes.
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PMID:[Metabolic acidosis in the 32nd week of pregnancy--uncontrolled diabetes in pregnancy, dehydration or sequela of tocolysis?]. 784 85

In a population-based case-control study of parous women less than 45 years of age, we evaluated the relations of various pregnancy characteristics to maternal breast cancer risk. Cases (N = 1,239) diagnosed with in situ or invasive breast cancer from 1990 to 1992 in Atlanta, GA, Seattle/Puget Sound, WA, and five counties in central New Jersey, and population controls (N = 1,166) identified by random-digit dialing, were interviewed regarding the details of their pregnancies. We used logistic regression to estimate relative risks (RR) and 95% confidence intervals (CI) and to adjust for breast cancer risk factors. Women who reported nausea or vomiting in their first pregnancy had a slightly lower risk of breast cancer (RR = 0.87; 95% CI = 0.72-1.0). We found no strong or consistent associations for maternal risk related to gestational length, pregnancy weight gain, gestational diabetes, pregnancy hypertension, or gender of the offspring, although we found some evidence for reductions in risk for toxemia (RR = 0.81; 95% CI = 0.61-1.1) and specific sex (RR for female twins vs singletons = 0.48; 95% CI = 0.20-1.3) and timing characteristics of twinning. Overall, these data provide little support for the hypothesis that pregnancy hormone levels are associated with subsequent maternal risk of breast cancer in young women.
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PMID:Pregnancy characteristics and maternal risk of breast cancer. 979 75

We present an unusual case in which a 23-year-old nulliparous patient was noted to have bilateral multicystic adnexal masses at 21 weeks gestation. Subsequent severe nausea, vomiting, and hyperglycemia with a serum glucose level of 450 mg/dL led to the diagnosis of gestational diabetes. Gradual development of marked maternal virilization ensued and was associated with a serum testosterone level of 4030 ng/mL (free testosterone level of 224 pg/mL), with normal serum dehydroepiandrostendione, estriol, and cortisol levels, leading to the diagnosis of hyperreactio luteinalis. Following vaginal delivery at 38 weeks gestation, gradual and complete spontaneous resolution of signs, symptoms, adnexal masses, diabetes, and testosterone levels were documented.
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PMID:Hyperreactio luteinalis presenting with marked hyperglycemia and bilateral multicystic adnexal masses at 21 weeks gestation. 1650 13

High utilization of medical services during pregnancy has not been described as most studies have focused on women who receive inadequate or no prenatal care. This paper describes the characteristics and medical utilization data of 500 pregnant women enrolled in a prospective study. High utilizers (HU), who had a mean of 7.8 utilizations (SD = 3.2), were significantly more likely to be nonwhite, low income, and younger than low utilizers (LU) who had a mean of 0.99 utilizations (SD = 1.1). HU reported a 32% rate of recent abuse compared to 9% for LU. HU also reported significantly more stress, lower self-esteem, and more ambivalence about the pregnancy. Consistent with their higher utilization, they were more likely to be diagnosed with preterm labor, hyperemesis, and gestational diabetes. HU had a higher proportion of complaints of nausea, vomiting, diarrhea, and pain and more mental health diagnoses than LU. Overall, HU were a vulnerable group characterized by recent abuse, economic disadvantage, psychosocial stress, and mental health issues. Their high utilization of medical services may have been due in large part to unmet psychosocial needs.
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PMID:Abuse and psychosocial stress as factors in high utilization of medical services during pregnancy. 1772 70

The aim of this study was to examine the predictors of change in intensity-specific leisure-time physical activity (LTPA) during pregnancy, and the perceived support and barriers of LTPA in Finnish pregnant women at increased risk of gestational diabetes. The study population consisted of 399 pregnant women who participated in a randomized controlled trial aiming to prevent gestational diabetes. Evaluation of LTPA was based on a self-report at baseline, 26-28, and 36-37 weeks' gestation. Data on predictors of change, perceived support and barriers were collected with questionnaires and from the maternity cards. Multinomial logistic regression was used to assess associations between the variables. The average weekly minutes of light-intensity LTPA were 179 at baseline, 161 at 26-28 weeks' gestation, and 179 at 36-37 weeks' gestation. The corresponding minutes of moderate-to-vigorous-intensity LTPA were 187, 133 and 99. At 26-28 weeks' gestation, the strongest predictors for light-intensity LTPA were meeting the PA recommendations prior to pregnancy, having polytechnic education and working part-time, while having a physically active spouse prior to pregnancy was the strongest predictor for moderate-to-vigorous-intensity LTPA. The people and/or factors that encouraged women to LTPA the most were the spouse, a child, other family members and weather, whereas tiredness, nausea, perceived health, work and lack of time restricted their LTPA the most. The strongest predictors for maintaining LTPA during pregnancy were pre-pregnancy LTPA, education, working part-time and a spouse's LTPA. Most common barriers were perceived health, work and lack of time.
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PMID:Physical activity during pregnancy: predictors of change, perceived support and barriers among women at increased risk of gestational diabetes. 2461 54

Diabetes is the most prevalent medical condition complicating pregnancy in the world. It carries both acute and long-term health consequences for the mother and her offspring. Both preexisting (type 1 and type 2) and gestational diabetes are a high-risk state for miscarriage, stillbirths and congenital malformations in early pregnancy. Like normal pregnancy, vaginal bleeding, urinary tract infection, abdominopelvic pain, nausea, and vomiting are common presenting symptoms in early pregnancy with preexisting and gestational diabetes. Early diagnosis and appropriate management of the condition is important for improving pregnancy outcomes.
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PMID:First Trimester complications in pregnancy with diabetes. 2758 60

Normoglycemic diabetic ketoacidosis should be suspected in pregnant women presenting nausea, vomiting, abdominal pain and anorexia. We report a 39 years old woman with a 32 weeks pregnancy who sought emergency care due to hyperemesis. She was hospitalized with the following diagnoses: pregnancy hypertension syndrome, gestational diabetes, morbid obesity and poor prenatal control. The evaluation of the feto-placental unit showed perception of fetal movements, non-reactive non-stress baseline record and a biophysical profile of 6/8. Fetal maturation was initiated. Laboratory tests showed a metabolic acidosis, a low pH, an increased Gap anion, elevated ketonemia and a blood glucose of 172 mg/dl. A diagnosis of normoglycemic diabetic ketoacidosis was formulated and treatment with hydration and regular insulin according to capillary blood glucose levels was started. An emergency caesarean section was performed. The newborn weighed 2.650 kg, had a length of 46 cm, was large for gestational age, had an Apgar score of 2.7, had perinatal asphyxia, convulsive syndrome and a possible congenital cardiopathy. Once the ketoacidosis was resolved during the immediate puerperium, slow acting insulin was initiated.
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PMID:[Normoglycemic diabetic ketoacidosis in pregnancy: Report of one case]. 2807 94

Adverse infant outcomes often rise in the aftermath of disaster, but few studies have assessed the effects of disaster on maternal health. 1091 southern Louisiana women were interviewed about their pregnancy history, including pregnancy complications. Associations between oil spill exposures and gestational diabetes, hypertensive disorders, and nausea/vomiting were assessed for all reported pregnancies. 631 women had a pregnancy both before and after the oil spill. Generalized estimating equations (logistic regression) with adjustment for confounders were used. To assess possible unmeasured confounding, instead of considering oil spill exposure as a time-varying exposure, women were defined as oil spill-exposed or not. If oil spill-exposed women were equally prone to complications in pregnancies that occurred prior to the oil spill as after it, it was considered that any associations were likely due to selection or reporting issues. Women who reported oil spill exposure, particularly loss of use of the coast, were more likely to report gestational diabetes; however, the level of association was similar for pregnancies before and after the spill (p for interaction >0.10 and odds ratios (ORs) for pregnancies prior to the spill > than those after the spill). No associations were found between oil spill exposure and hypertensive disorders. This analysis does not suggest an increased risk of pregnancy complications associated with exposure to the oil spill; however, future studies should assess exposure and outcomes prospectively and clinically instead of relying on self-report.
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PMID:Self-Reported Oil Spill Exposure and Pregnancy Complications: The GROWH Study. 2865 4

The coronavirus disease 2019 (COVID-19) pandemic is continuously affecting the lives of all people. Understanding the impact of COVID-19 on pregnancy in terms of morbidity, mortality, and perinatal maternal and fetal outcomes is essential to propose strategies for prevention and infection control. Here, we conducted a systematic review to investigate pregnant women infected with COVID-19 in terms of signs and symptoms, type of delivery, comorbidities, maternal and neonatal outcomes, and the possibility of vertical transmission. A search on Embase and PubMed databases was performed on 31 October 2020. Observational studies and case reports on pregnant women infected with COVID-19 were included without language restrictions. The 70 selected studies included a total of 1457 pregnant women diagnosed with COVID-19 in the first, second, and third trimesters of pregnancy. The most common signs and symptoms were fever, cough, and nausea. The most frequent comorbidities were obesity, hypertensive disorders, and gestational diabetes. Among maternal and fetal outcomes, premature birth (n = 64), maternal death (n = 15), intrauterine fetal death or neonatal death (n = 16), cases of intrauterine fetal distress (n = 28), miscarriage (n = 7), decreased fetal movements (n = 19), and severe neonatal asphyxia (n = 5) were the most frequent. Thirty-nine newborns tested positive for SARS-CoV-2. Additionally, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) RNA was detected in the placenta (n = 13) and breast milk (n = 6). This review indicates that COVID-19 during pregnancy can result in maternal, fetal, and neonatal complications. In addition, SARS-CoV-2 viral exposure of neonates during pregnancy and delivery cannot be ruled out. Thus, we highlight the need for long-term follow-up of newborns from mothers diagnosed with COVID-19 to establish the full implications of SARS-CoV-2 infection in these children.
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PMID:Maternal Coronavirus Infections and Neonates Born to Mothers with SARS-CoV-2: A Systematic Review. 3325 84


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