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Objective To investigate the association between paternal race and reproductive outcomes following in vitro fertilization (IVF). Materials and Methods We compared demographic and clinical characteristics, IVF cycle characteristics, and reproductive outcomes (pregnancy, miscarriage, and live birth), stratified by male and female partner race, for all IVF cycles performed at our institution between 2014 and 2019. Wilcoxon Rank Sum test and Pearson's Chi Square test were used to compare continuous and categorical data, respectively. A Poisson regression model was used to determine the association between race and clinical outcomes. Significance was set as P Results We examined 1878 IVF cycles involving 1069 couples. The study population was diverse; 50.1% of male partners were white, 28.5% black, 15.1% Asian, and 2.3% Hispanic. The majority of couples (86.5%) shared a common self-reported race category. Black males were older than white males (39.6 vs 37.0 years), with higher BMI (30.4 vs 28.0) and higher frequency of male factor infertility (45.9% vs 33.5%). Female partners of black males were older than those of white males (35.6 vs 33.8 years), with higher BMI (29.6 vs 25.2), and higher frequency of female factor infertility (91.8% vs 83.9%). Although we noted race-related variability in IVF cycle characteristics, no significant differences in the outcomes of pregnancy, biochemical pregnancy, clinical intrauterine pregnancy, or ectopic pregnancy were observed between races. Conclusion Although paternal race was associated with IVF cycle characteristics, after controlling for potential confounders, paternal race did not independently contribute to outcomes in this institutional dataset.

BACKGROUND: Approximately half of all pregnancies in the United States are unintended. However, women who are diagnosed with cancer in their reproductive years may be a unique population. This study examines the prevalence of and identifies factors associated with unplanned pregnancy among cancer survivors. MATERIALS AND METHODS: Female cancer survivors aged 22–45 years, diagnosed between ages 20–35 years and at least 2 years postdiagnosis, and women with no history of cancer were interviewed about their reproductive histories, including pregnancy intention. Using a random matching process, comparison women were assigned an artificial age at cancer diagnosis equal to that of her cancer survivor match. An adjusted Cox model was fit examining time to unintended pregnancy after cancer for each of 1,000 matches. Cox proportional hazards models were also fit to assess associations between participant characteristics and unplanned pregnancy after cancer among survivors. RESULTS: Cancer survivors (n = 1,282) and comparison women (n = 1,073) reported a similar likelihood of having an unplanned pregnancy in models adjusted for race, income, history of sexually-transmitted infection, and history of unplanned pregnancy before diagnosis (adjusted hazard ratio [aHR] 1.06, 95% simulation interval 0.85–1.36). After adjusting for confounders, unplanned pregnancy among survivors was associated with age

AIMS: To assess the prevalence and clinical implications of “mismatches” between HbA1c and glucose levels in the United States across the life course. METHODS: Participants ages 12–79 years from U.S. National Health and Nutrition Examination Survey (NHANES) 2005–2016 without known diagnosis of diabetes and who had a 75 g oral glucose tolerance test were included. Previously undiagnosed diabetes (DM), prediabetes, and normal glucose metabolism (NGM) were defined using American Diabetes Association cut-points. Mismatches were defined by the hemoglobin glycation index (HGI). RESULTS: In 10,361 participants, 5% and 41% had diabetes and prediabetes, respectively, by fasting or 2-hour glucose criteria. By HbA1c criteria, the high HGI tertile consisted of mostly abnormal classification (3% DM, 52% prediabetes) and the low HGI tertile contained mostly normal classification (78% NGM). Across all ages, 15% (weighted: 30 million individuals) had clinically significant mismatches of HGI magnitude ≥+0.5% (i.e., high mismatch) or ≤−0.5% (low mismatch). Mismatch was most common in older adults and non-Hispanic Black participants. CONCLUSIONS: Mismatches of clinically significant magnitude could lead to HbA1c-related misdiagnosis or inappropriate management in up to 30 million Americans. Older adults, non-Hispanic Black individuals, and others with high mismatches may benefit from complementing HbA1c with additional diagnostic and management strategies.

Background Many studies investigating pubertal development use Tanner staging to assess maturation. Endocrine markers in urine and saliva may provide an objective, sensitive, and non-invasive method for assessing development. Objective Our objective was to examine whether changes in endocrine levels can indicate the onset of pubertal development prior to changes in self-rated Tanner stage. Methods Thirty-five girls and 42 boys aged 7 to 15 years were enrolled in the Growth and Puberty (GAP) study, a longitudinal pilot study conducted from 2007–2009 involving children of women enrolled in the Agricultural Health Study (AHS) in Iowa. We collected saliva and urine samples and assessed pubertal development by self-rated Tanner staging (pubic hair, breast development (girls), genital development (boys)) at three visits over six months. We measured dehydroepiandrosterone (DHEA) in saliva and creatinine-adjusted luteinizing hormone (LH), testosterone, follicle stimulating hormone (FSH), estrone 3-glucuronide (E13G) and pregnanediol 3-glucuronide (Pd3G) concentrations in first morning urine. We evaluated the relationships over time between Tanner stage and each biomarker using repeated measures analysis. Results Among girls still reporting Tanner breast stage 1 at the final visit, FSH levels increased over the 6-month follow-up period and were no longer lower than higher stage girls at the end of follow-up. We observed a similar pattern for testosterone in boys. By visit 3, boys still reporting Tanner genital stage 1 or pubic hair stage 1 had attained DHEA levels that were comparable to those among boys reporting Tanner stages 2 or 3. Conclusions Increasing concentrations of FSH in girls and DHEA and testosterone in boys over a 6-month period revealed the start of the pubertal process prior to changes in self-rated Tanner stage. Repeated, non-invasive endocrine measures may complement the more subjective assessment of physical markers in studies determining pubertal onset.

Placental surface area is often estimated using diameter measurements. However, as many placentas are not elliptical, we were interested in the validity of these estimates. We compared placental surface area from images for 491 singletons from the Stillbirth Collaborative Research Network (SCRN) Study (416 live births, 75 stillbirths) to estimates obtained using diameter measurements. Placental images and diameters were obtained from pathologic assessments conducted for the SCRN Study and images were analyzed using ImageJ software. On average, diameter-based measures underestimated surface area by −5.58% (95% confidence interval: −30.23, 19.07); results were consistent for normal and abnormal shapes. The association between surface area and birthweight was similar for both measures. Thus, diameter-based surface area can be used to estimate placental surface area.

INTRODUCTION AND OBJECTIVES:In response to rising risk of infectious complications following transrectal ultrasound guided prostate biopsies, advocates of transperineal prostate biopsy purport a ne...

INTRODUCTION AND OBJECTIVE:Prostate biopsy is the gold standard for diagnosing prostate cancer, but post-biopsy sepsis is a costly and life-threatening complication. With rising fluoroquinolone (FQ...