While it is known that vital signs and behaviors change during pregnancy, there is limited data on timing and scale of changes for sensor-derived health metrics across pregnancy and postpartum. Wearable technology provides an opportunity to understand physiologic and behavioral changes across pregnancy with greater detail, more frequent measurements, and improved accuracy. The aim of this study is to describe changes in physiologic and behavioral sensor-based health metrics during pregnancy and postpartum in the Apple Women's Health Study (AWHS) and their relationship to demographic factors.
The Apple Women's Health Study is a digital, longitudinal, observational study that includes U.S. residents with an iPhone and Apple Watch. We evaluated changes from pre-pregnancy through delivery and postpartum for sensor-derived health metrics. Minimum required data samples per day, week and overall were data element specific, and included 12 weeks prior to pregnancy start, and 12 weeks postpartum for pregnancies lasting between 24 and 43 weeks.
A total of 757 pregnancies from 733 participants were included. Resting heart rate (RHR) increased across pregnancy, peaking in the third trimester (pre-pregnancy median RHR 65.0 beats per minute [BPM], interquartile range [IQR] 60.0–70.2 B.M. third trimester median RHR 75.5 B.M. IQR 69.0–82.0 B.M., with a decrease prior to delivery and nadir postpartum (postpartum median RHR 62.0 B.M. IQR 57.0–66.0 B.M.. Heart rate variability (HRV) decreased from pre-pregnancy (39.9 milliseconds, IQR 32.6–48.3 milliseconds), reaching a nadir in the third trimester (29.9 milliseconds, IQR 25.2–36.4 milliseconds), before rebounding in the last weeks of pregnancy. Measures of activity, such as exercise minutes, stand minutes, step count and Cardio Fitness were all decreased in each trimester compared to pre-pregnancy, with their nadirs postpartum. Total sleep duration increased slightly in early pregnancy (pre-pregnancy 7.2 hours, IQR 6.7–7.7 hours; 1st trimester 7.4 hours, IQR 6.8–7.9 hours), with the lowest sleep duration postpartum (6.2 hours, IQR 5.4–6.8 hours).
Resting heart rate increased during pregnancy, with a decrease prior to delivery, while heart rate variability decreased across pregnancy, with an upward trend before delivery. Behavioral metrics, such as exercise and sleep, showed decreasing trends during and after pregnancy. These data provide a foundation for understanding normal pregnancy physiology and can facilitate hypothesis generation related to physiology, behavior, pregnancy outcomes and disease.
Physical exercise consists of planned, repetitive, and intentional movements that reduce the risk of pregnancy-related complications. Worldwide, there is a high rate of physical inactivity during pregnancy, including in Ethiopia, which has detrimental effects on both pregnant women and their developing fetus.
This study aimed to assess pregnant women's knowledge, attitude, and practice toward physical exercise during pregnancy and its associated factors among antenatal care attendants at health institutions in Dessie, South Wollo Zone, Amhara Region, Ethiopia, in 2023.
An institutional-based cross-sectional study was conducted among 614 pregnant women receiving antenatal care between January 18, 2023, and February 25, 2023. The study participants were selected using systematic random sampling technique. Data were collected using a pretested, face-to-face interviewer-administered, and semistructured questionnaire. The data were cleaned, coded, and entered into EpiData (version 4.6; www.epidata.dk) and analyzed using SPSS (version 25; SPSS Inc, Chicago, IL). Bivariate and multivariate binary logistic regression analyses were performed to identify factors associated with knowledge, attitude, and practice toward physical exercise during pregnancy. Variables with a P value of <.2 in the bivariate analysis were transferred to the multivariate analysis. Finally, the adjusted odds ratio and 95% confidence interval with a P value of <.05 in the multivariate analysis were considered statistically significant.
The study found that 56.3% of participants had good knowledge, 51.5% of participants had a favorable attitude, and 32.2% of participants practiced physical exercise during pregnancy. Age, educational level, and heard about physical exercise during pregnancy were positively associated with pregnant women's knowledge and attitude. In addition, age, antenatal care follow-up, no history of abortion, ever done physical exercise before becoming pregnant, and good knowledge were positively associated with pregnant women's practice of physical exercise during pregnancy.
Our findings indicate that approximately half of the participants had good knowledge and a favorable attitude. However, almost one-third of the participants practiced physical exercise during their pregnancy. It is recommended that antenatal care providers advise pregnant women to strengthen their antenatal care follow-up and offer health education and counseling about the benefits of physical exercise during pregnancy.
This study aimed to assess the utility of real-time-polymerase chain reaction (PCR) for diagnosing chronic endometritis (CE) by targeting 11 prevalent pathogens and to compare the outcomes with conventional culture-based diagnosis.
A retrospective analysis was conducted on 500 patients with clinical conditions such as abnormal bleeding, in vitro fertilization failure, recurrent implantation failure, recurrent miscarriage, and recurrent pregnancy loss. The prevalence of 11 key pathogens associated with CE was evaluated in endometrial biopsy samples.
In our study, PCR identified 318 cases (63.6%) positive for at least one of the 11 investigated pathogens, while culture-based methods detected 115 cases (23%). Predominant pathogens detected by PCR included Enterococcus faecalis (E. faecalis) (19%), Escherichia coli (E. coli) (6.8%), Staphylococcus aureus (S. aureus) (9%), Mycoplasma hominis (5%), Mycoplasma genitalium (6.2%), Streptococcus agalactiae (S. agalactiae) (4.2%), Ureaplasma urealyticum (4%), nontuberculous Mycobacterium (5.2%), Mycobacterium tuberculosis (1.2%), Neisseria gonorrhoeae (0.6%), and Chlamydia trachomatis (2.4%). Standard culture methods identified E. faecalis (10.8%), S. aureus (6.2%), E. coli (3.8%), and S. agalactiae (2.2%).
The DICE panel proves itself as a swift, precise, and cost-effective diagnostic tool for detecting both culturable and nonculturable endometrial pathogens in CE. Demonstrating superiority, the Molecular method outshines microbial culture, ensuring accurate and sensitive detection of CE-associated pathogens, harmonizing seamlessly with histology and hysteroscopy findings.
Episiotomy is a surgical procedure involving the enlargement of the posterior vagina to facilitate the delivery of the baby. This study aims to further investigate the associated risk factors for episiotomy and the specific indications for its use in spontaneous labor.
This institutional-based cross-sectional study was conducted among 349 vaginal births with a ratio of 1:4 from January 2020 to December 2020. We recruited study participants using consecutive sampling techniques. The sample size was calculated with a hypothesis test for two population proportions (one-sided test formula). Adjusted odds ratio with the corresponding 95% confidence interval was used to declare the significance of variables.
In our multivariate analysis, it was found that pregnant women who underwent instrumental delivery (P-value=.00; OR=25.63; 95% CI: 5.76–114.0) and those with fetal birth weight >3,000 grams (P-value=.00; OR=11.31; 95% CI: 3.96–32.32) had the highest risk of undergoing an episiotomy. Subsequently, the duration of the second stage of labor >30 minutes (P-value=.049; OR=16.34; 95% CI: 1.01–264.48) was associated with a slightly increased risk of episiotomy. Fetal head circumference >34 cm was not found to be risk of an increased risk of episiotomy in this study. However, pregnant women aged >30 years (P-value=.049; OR=0.306; 95% CI: 0.94–0.99) showed a reduced risk of episiotomy.
The prevalence of episiotomy practice in this study exceeds the recommended threshold set by the World Health Organization (WHO). Instrumental delivery, high birth weight, and prolonged second-stage labor emerged as significant factors influencing episiotomy practice. Hence, further interventions are warranted to mitigate the prevalence of episiotomy practice.
The Health Equity Leadership & Exchange Network states that “health equity exists when all people, regardless of race, sex, sexual orientation, disability, socioeconomic status, geographic location, or other societal constructs, have fair and just access, opportunity, and resources to achieve their highest potential for health.” It is clear from the wide discrepancies in maternal and infant mortalities, by race, ethnicity, location, and social and economic status, that health equity has not been achieved in pregnancy care. Although the most obvious evidence of inequities is in low-resource settings, inequities also exist in high-resource settings. In this presentation, based on the Global Pregnancy Collaboration Workshop, which addressed this issue, the bases for the differences in outcomes were explored. Several different settings in which inequities exist in high- and low-resource settings were reviewed. Apparent causes include social drivers of health, such as low income, inadequate housing, suboptimal access to clean water, structural racism, and growing maternal healthcare deserts globally. In addition, a question is asked whether maternal health inequities will extend to and be partially due to current research practices. Our overview of inequities provides approaches to resolve these inequities, which are relevant to low- and high-resource settings. Based on the evidence, recommendations have been provided to increase health equity in pregnancy care. Unfortunately, some of these inequities are more amenable to resolution than others. Therefore, continued attention to these inequities and innovative thinking and research to seek solutions to these inequities are encouraged.
To assess pathways to parenthood, pregnancy outcomes, future pregnancy desire, and fertility counseling experiences among a cross-sectional sample of transgender men and gender diverse individuals assigned female or intersex at birth in the United States
Participants were recruited from The Population Research in Identity and Disparities for Equality (PRIDE) Study and the general public. Eligible participants for this analysis were able to read and understand English, assigned female or intersex at birth, US residents, 18+ years old, and identified as transgender, nonbinary, or gender diverse. We analyzed responses to close-ended survey questions, overall and stratified by gender identity, race/ethnicity, and testosterone use. We also qualitatively assessed open-text responses on fertility counseling.
Among the 1694 participants, median age was 27 years (range: 18–72), 12% had ever been pregnant, and 12% were parents. Carrying a pregnancy where the individual was the egg source (36%) was the most common pathway to parenthood. Individuals with an exclusively binary gender identity (ie, transgender man or man) more often reported becoming parents through adoption than individuals with gender diverse identities (19% vs 12%). A third of individuals did not receive fertility counseling prior to initiating testosterone; individuals who exclusively reported nonbinary identities were recommended to investigate fertility preservation options less often (36%) compared to transgender men (50%).
Transgender men and gender diverse individuals who were assigned female or intersex at birth build their families through a variety of pathways, including pregnancy, stepparenting, and adoption. Clinicians should avoid making assumptions about reproductive desires in these populations based on gender identities or testosterone use and should provide consistent fertility counseling prior to and after hormone initiation.
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