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Gestational Weight Gain in Women With Polycystic Ovary Syndrome: A Controlled Study.

ABSTRACT: Context:Women with polycystic ovary syndrome (PCOS) have increased risk for pregnancy complications, possibly related to pre-existing obesity and excessive gestational weight gain (GWG). Objectives:To assess the contributions of diagnosis and preconception weight on GWG and perinatal outcomes. Research Design and Methods:Prospective cohort study of singleton pregnancies in PCOS (n = 164) and ovulatory controls (n = 176) from infertility treatment. Main Outcome Measures:GWG, birthweight, pregnancy complications. Results:From preconception baseline, normal-weight women with PCOS gained 2.3 pounds more during the first trimester (95% CI, 0.3 to 4.3; P = 0.02), and by the end of the second trimester, 4.2 pounds more than controls (95% CI, 0.7 to 7.7; P = 0.02). Women who were overweight with PCOS gained significantly more weight than did controls by the end of the second trimester (5.2 pounds; 95% CI, 0.2 to 10.2; P = 0.04), whereas women with obesity and PCOS and control women had similar weight gain throughout pregnancy. Within normal-weight, overweight, and obese groups, prevalence of pre-eclampsia and gestational diabetes did not differ between the PCOS and control groups, nor was there a difference in birthweight. Preconception body mass index (BMI) was significantly associated with GWG; for every 1-kg/m2 increase in preconception BMI, GWG decreased by 0.62 pounds (95% CI, -0.85 to -0.40; P < 0.001). Conclusions:Women with PCOS who are of normal weight or are overweight before conception experience more GWG than do ovulatory controls. Within normal-weight, overweight, and obese groups, rates of perinatal complications do not significantly differ between women with PCOS and controls. Preconception BMI is the strongest predictor of GWG.

SUBMITTER: Kent J

PROVIDER: S-EPMC6194806 | biostudies-literature | 2018 Nov

REPOSITORIES: biostudies-literature

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Gestational Weight Gain in Women With Polycystic Ovary Syndrome: A Controlled Study.

Kent James J Dodson William C WC Kunselman Allen A Pauli Jaimey J Stone Alicia A Diamond Michael P MP Coutifaris Christos C Schlaff William D WD Alvero Ruben R Casson Peter P Christman Gregory M GM Rosen R Mitchell RM Hansen Karl R KR Robinson Randall D RD Baker Valerie V Usadi Rebecca R Santoro Nanette N Zhang Heping H Eisenberg Esther E Legro Richard S RS

The Journal of clinical endocrinology and metabolism 20181101 11

<h4>Context</h4>Women with polycystic ovary syndrome (PCOS) have increased risk for pregnancy complications, possibly related to pre-existing obesity and excessive gestational weight gain (GWG).<h4>Objectives</h4>To assess the contributions of diagnosis and preconception weight on GWG and perinatal outcomes.<h4>Research design and methods</h4>Prospective cohort study of singleton pregnancies in PCOS (n = 164) and ovulatory controls (n = 176) from infertility treatment.<h4>Main outcome measures</ ...[more]

PMID: 30085187

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Project description:BackgroundGestational diabetes mellitus (GDM) is associated with adverse pregnancy outcomes such as preeclampsia and macrosomia. Women with polycystic ovary syndrome (PCOS) are at increased risk of developing GDM. Today, GDM is diagnosed by oral glucose tolerance test (OGTT), a rather cumbersome test for the women and health care system. The objectives of this study were to investigate whether HbA1c in first trimester of pregnancy could be used as a screening test for GDM in first trimester and throughout pregnancy in order to reduce the number of OGTTs, and whether it could predict preeclampsia and macrosomia in women with PCOS.MethodsPost hoc analyses of data from 228 women from a prospective, randomised, multicenter study comparing metformin to placebo from first trimester to delivery. Fasting and 2-h plasma glucose were measured during a 75 g OGTT in first trimester, gestational week 19 and 32 as well as fasting plasma glucose in gestational week 36. GDM was diagnosed by WHO criteria from 1999 in first trimester and throughout pregnancy and by modified IADPSG criteria (i.e. lacking the 1-h plasma glucose value) in first trimester. The diagnostic accuracy was assessed by logistic regression and ROC curve analysis.ResultsThe area under the ROC curve for first trimester HbA1c for screening of GDM diagnosed by WHO criteria in first trimester was 0.60 (95 % CI 0.44-0.75) and 0.56 (95 % CI 0.47-0.65) for GDM diagnosed throughout pregnancy. Only 2.2 % (95 % CI 0.7-5.1 %) of the participants could have avoided OGTT. HbA1c was not statistically significantly associated with GDM diagnosed by modified IADPSG criteria in first trimester. However, first trimester HbA1c was statistically significantly associated with preeclampsia. Both HbA1c and GDM by WHO criteria in first trimester, but not by IADPSG, were negatively associated with birth weight.ConclusionFirst trimester HbA1c can not be used to exclude or predict GDM in women with PCOS, but it might be better to predict preeclampsia than the GDM diagnosis.

Project description:Lifestyle modification is recommended in women with polycystic ovary syndrome (PCOS) prior to conception but there are few randomized trials to support its implementation or benefit.This study aimed to determine the relative efficacy of preconception intervention on reproductive and metabolic abnormalities in overweight/obese women with PCOS.This was a randomized controlled trial of preconception and infertility treatment at Academic Health Centers in women with infertility due to PCOS, age 18-40 y and body mass index 27-42 kg/m(2).Women were randomly assigned to receive either 16 weeks of 1) continuous oral contraceptive pills (OCPs) (ethinyl estradiol 20 mcg/1 mg norethindrone acetate) ("OCP"); 2) lifestyle modification consisting of caloric restriction with meal replacements, weight loss medication (either sibutramine, or orlistat), and increased physical activity to promote a 7% weight loss ("Lifestyle"); or 3) combined treatment with both OCP and lifestyle modification ("Combined"). After preconception intervention, women underwent standardized ovulation induction with clomiphene citrate and timed intercourse for four cycles. Pregnancies were followed with trimester visits until delivery.Weight, ovulation, and live birth were measured.We consented 216 and randomly assigned 149 women (Lifestyle: n = 50; OCP: n = 49; Combined: n = 50). We achieved significant weight loss with both Lifestyle (mean weight loss, -6.2%; 95% confidence interval (CI), -7.4--5.0; and Combined (mean weight loss, -6.4%; 95% CI, -7.6--5.2) compared with baseline and OCP (both P < .001). There was a significant increase in the prevalence of metabolic syndrome at the end of preconception treatment compared with baseline within OCP (odds ratio [OR, 2.47; 95% CI, 1.42-4.27) whereas no change in metabolic syndrome was detected in the Lifestyle (OR, 1.18; 95% CI, 0.63-2.19) or Combined (OR, 0.72; 95% CI, 0.44-1.17) groups. Cumulative ovulation rates were superior after weight loss: OCP, 46%; Lifestyle, 60%; and Combined, 67% (P < .05). Live birth rates were OCP, 12%; Lifestyle, 26%; and Combined, 24% (P = .13).A preconception weight loss intervention eliminates the adverse metabolic oral contraceptive effects and, compared with oral contraceptive pretreatment, leads to higher ovulation rates.

Project description:Several studies have reported the association between polycystic ovary syndrome (PCOS) and low-grade chronic inflammation to be of uncertain cause: obesity, insulin resistance, or PCOS itself. The aim of the study was to investigate the WBC (white blood cell) count and CRP (C-reactive protein) concentration in women with PCOS and to determine the factors that affect their concentration. The study included 200 women aged 18-40 with PCOS and 105 healthy women as the control group, recruited in the Department of Gynaecological Endocrinology of Medical University in Warsaw from 2016 to 2018. Each patient underwent clinical, biochemical, and ultrasonographic assessments. WBC and CRP were significantly higher in the PCOS group (Z = -2,353, p = 0,019 and Z = -2,453, p = 0,014). WBC positively correlated with serum insulin at 0, 60, and 120?min during the oral glucose tolerance test (INS0: r = 0,221, p = 0,001; INS1: r = 0,194, p = 0,003; INS2: r = 0,022, p = 0,001), testosterone (r = 0,130, p = 0,046), androstenedione (r = 0,212, p = 0,001), and DHEAS (r = 0,178, p = 0,006) and negatively correlated with progesterone (r = -0,204, p = 0,002), estradiol (r = -0,140, p = 0,032), and SHBG (r = -0,308, p < 0,001). CRP positively correlated with insulin concentration in 0, 60, and 120?min during the oral glucose tolerance test (INS0: r = 0,343, p < 0,001; INS1: r = 0,276, p = 0,001; INS2: r = 0,320, p < 001) and negatively correlated with progesterone (r = -0,194, p = 0,030) and SHBG (-0,244, p = 0,005). We also estimated positive correlation between BMI and serum CRP and WBC concentration. Multiple linear regression analysis showed that CRP values are positively associated with BMI (beta = 0,374, p < 0,001) and insulin level (INS1) (beta = 0,282, p = 0,004); and WBC results are negatively associated with SHGB (beta = -0,284, p < 0,001) but positively associated with testosterone (beta = 0,163, p = 0,024) and BMI (beta = 0,157, p = 0,047). PCOS is associated with increased WBC and CRP concentrations. The main predicting factors of increased CRP are BMI and insulin resistance, but there is also a relationship between WBC count in PCOS and androgen concentration itself so that inflammation may be mediated not only through adiposity but also through increased androgen concentration.

Dataset Information

Gestational Weight Gain in Women With Polycystic Ovary Syndrome: A Controlled Study.

Publications

Gestational Weight Gain in Women With Polycystic Ovary Syndrome: A Controlled Study.

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