EFFECT OF MATERNAL PARITY AND AGE ON UTERINE FUNDAL HEIGHT DURING PREGNANCY AND THEIR APPLICATION IN PERSONALISED STANDARDS
Introduction: The most available screening method for detecting intrauterine fetal growth restriction is a graph of uterine fundal height (FH) during pregnancy (gravidogram). Сustomized charts with indicators adjusted for ethnicity, age, parity, maternal anthropometric characteristics (height, weight, BMI), parity, pregnancy complications, morbid background, social factors.
Aim: To investigate the effect of maternal characteristics (age and parity) on (FH) during pregnancy, to detect fetal growth restriction.
Materials and Methods: The study design was a single-stage retrospective cross-sectional study. Inclusion criteria for the study were: presence of first trimester ultrasound screening at 10-14 weeks' gestation, uncomplicated pregnancy, singleton pregnancy. Exclusion criteria: multiple pregnancies, breech presentation, malposition (transverse, oblique), fetal weight up to 2500 grams and over 4000 grams, premature birth, hypertensive states, antepartum fetal death, abnormal fetal growth, abundant water, small water, extragenital pathology.
Results: We sampled 3,886 cases of term pregnancies in the cephalic presentation, which ended with a live birth weight of 2,500 to 4,000 grams. When the mean FH values were assessed by age group, significant differences were found at 26, 28, 31-32, 35, and 38 weeks of gestation. It was also found that with an increase in maternal age by 1 year one should expect an increase in FH at weeks 26, 28, 31, 35, 38 and 41 by 0.047 cm; 0.055 cm; 0.049 cm; 0.063 cm; 0.049 cm; 0.057 cm and 0.067 cm. When comparing the mean FH values by maternal parity group, the FH values were found to be higher at 26 to 27, 30 to 35, 37 to 38, and 41 weeks of gestation, and the FH values increased with each successive pregnancy. Using linear regression, it was found that at weeks 31 - 33, 35 weeks of gestation an increase in FH of 0.208 cm; 0.254 cm; 0.154 cm; 0.189 cm should be expected at weeks 38, 40 - 42 weeks, an increase in FH of 0.189 cm; 0.188 cm; 0.576 cm; 7.845 cm should be expected at weeks 38, 40 - 42 weeks.
Conclusions: Maternal age and maternal parity variables are influential factors on uterine fundal height during pregnancy after 31 weeks gestation.
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Sharipova М.G., Tanysheva G.A., Kystaubayeva A.S., Shakhanova A.T., Khamidullina Z.G., Ryspayeva Zh.А., Sharipova Kh.K. Effect of maternal parity and age on uterine fundal height during pregnancy and their application in personalised standards // Nauka i Zdravookhranenie [Science & Healthcare]. 2023, (Vol.25) 2, pp. 97-104. doi 10.34689/SH.2023.25.2.014Related publications:
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