A Prospective Cohort Research in Early Gestation (6-10 Weeks) on Yolk Sac Diameter as a Predictor of Pregnancy Outcome

A Prospective Cohort Research in Early Gestation (6-10 Weeks) on Yolk Sac Diameter as a Predictor of Pregnancy Outcome

Anjali Patil, R. P. Patange, Sanjay Kumar S. Patil, Taufikin Arslan Bawi
Copyright: © 2024 |Pages: 15
DOI: 10.4018/979-8-3693-5941-9.ch002
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Abstract

This research examines the function of yolk sac width as a predictor of pregnancy outcome in the first few weeks of gestation, specifically between six and ten weeks. Although measures of the yolk sac have demonstrated potential as a predictor of pregnancy viability, a thorough knowledge of their predictive usefulness is still lacking. A prospective cohort research design was used, with 500 pregnant women in the specific gestational age range attending a tertiary care obstetrics and gynaecology clinic. Using high-resolution transvaginal ultrasound, the diameter of the yolk sac was assessed, and the subjects were divided into groups according to the yolk sac diameter. Bivariate and multivariate methods were used to gather and examine the data while accounting for any confounding variables. Pregnancy outcomes and yolk sac width were shown to be significantly correlated in this research. “Greater than normal yolk sac diameter” was linked to a higher probability of miscarriage, and “Normal yolk sac diameter” was associated with a much higher likelihood of continued pregnancies. Furthermore, although it was not statistically significant, “Lesser than normal yolk sac diameter” was seen more frequently in ectopic pregnancies. In conclusion, yolk sac diameter may help predict pregnancy early on. This discovery has therapeutic implications that will help doctors support patients, allocate resources, and intervene quickly. This research advances early pregnancy assessment and care, which may reduce psychological distress and improve medical resources.
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Introduction

The chance of a successful foetal development is crucial throughout the early stages of pregnancy, which are a woman’s life filled with many obstacles and unknowns. Predicting and comprehending pregnancy outcomes during this sensitive stage can have a substantial effect on the health of both the mother and the foetus. Researchers and physicians have focused on the yolk sac, a temporary but essential structure, as one of the many variables influencing early pregnancy. With an emphasis on early gestation, this research aims to explore the complex link between yolk sac width and pregnancy outcome.

The first anatomical feature to be seen during an early pregnancy ultrasound examination is the yolk sac, a membrane structure that usually appears between 5 and 6 weeks of gestational age (Bhattarai & Baral, 2020). It is the site of early hematopoiesis and is produced from the primitive yolk sac endoderm. Apart from supplying vital nutrients to the growing embryo, the yolk sac performs other roles in embryonic development, including metabolic maintenance, hematopoiesis, and morphogenesis (Choong et al., 2003). Its importance in predicting pregnancy outcomes cannot be emphasised, as it is an essential component of the early stages of pregnancy.

There are several possible causes for the aetiology of early pregnancy difficulties, such as blighted ovum, ectopic pregnancies, and miscarriages. Although a lot of research has been done on chromosomal anomalies, maternal age, and hormonal imbalances, not as much has been done on the yolk sac’s function in these settings. Thus, there has been a growing interest in reproductive medicine regarding the yolk sac’s potential as a useful prognostic tool.

This research’s main goal is to evaluate the usefulness of yolk sac diameter as a pregnancy outcome predictor. The current goal is to determine the diameter of the yolk sac in a cohort of expectant mothers between weeks six and ten of gestation. In addition, This research aims to ascertain the proportion of pregnancies with yolk sac diameters that are normal, larger than normal, and smaller than normal, as well as discover associations between yolk sac dimensions and pregnancy outcomes. The goal of this research project is to enhance early pregnancy evaluation and empower expectant moms and healthcare professionals to make educated decisions.

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