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Revista Brasileira de Ginecologia e Obstetrícia. 2003;25(9):673-678
DOI 10.1590/S0100-72032003000900009
PURPOSE: to evaluate the uterine volume in women between 10 and 40 years in order to observe if the uterine volume in adolescents is smaller than the uterine volume in women between 20 and 40 years. We intend to emphasize the differences between the uterine volume of adolescents and that of adult women and to correlate with the immaturity of the genital tract of adolescents regarding gestation and delivery. METHOD: a cross-sectional study, which included 828 patients between 10 and 40 years old divided into two groups and examined using abdominal ultrasound to obtain the uterine volume measure. The first group consisted of 477 (57.7%) adolescents, and the second group of 351 (42.3%) adult women between 20 and 40 years old. In the adolescent group, ultrasound examination was performed by a single observer and in the group of adult women ultrasound examination was performed by a group of observers who used the same methodology as that of group 1. Image Point HX (Hewlett Packard) and Hitachi 525 ultrasound equipment were used with a multiple frequency probe. For the calculation of the uterine volume we used the longitudinal diameter (LD), anteroposterior diameter (APD) and transverse diameter (TD) with the (LD x APD x TD) x 0.45 formula. RESULTS: adolescents aged 10 to 17 years had a smaller uterine volume than women aged 20 to 40 years (p<0.05). Adolescents who delivered twice had a uterine volume similar to that of the patients between 20 and 40 years old with respective mean values of 62.6 ± 20.6 and 69.0±22.9 (p>0.05). CONCLUSION: adolescents less than 18 years old or primiparous have a smaller uterine volume than women between 20 to 40 years old. However, adolescents aged 18 years or older, or secundipara, have a uterine volume similar to that of women aged 20 to 40 years.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2003;25(9):673-678
DOI 10.1590/S0100-72032003000900009
PURPOSE: to evaluate the uterine volume in women between 10 and 40 years in order to observe if the uterine volume in adolescents is smaller than the uterine volume in women between 20 and 40 years. We intend to emphasize the differences between the uterine volume of adolescents and that of adult women and to correlate with the immaturity of the genital tract of adolescents regarding gestation and delivery. METHOD: a cross-sectional study, which included 828 patients between 10 and 40 years old divided into two groups and examined using abdominal ultrasound to obtain the uterine volume measure. The first group consisted of 477 (57.7%) adolescents, and the second group of 351 (42.3%) adult women between 20 and 40 years old. In the adolescent group, ultrasound examination was performed by a single observer and in the group of adult women ultrasound examination was performed by a group of observers who used the same methodology as that of group 1. Image Point HX (Hewlett Packard) and Hitachi 525 ultrasound equipment were used with a multiple frequency probe. For the calculation of the uterine volume we used the longitudinal diameter (LD), anteroposterior diameter (APD) and transverse diameter (TD) with the (LD x APD x TD) x 0.45 formula. RESULTS: adolescents aged 10 to 17 years had a smaller uterine volume than women aged 20 to 40 years (p<0.05). Adolescents who delivered twice had a uterine volume similar to that of the patients between 20 and 40 years old with respective mean values of 62.6 ± 20.6 and 69.0±22.9 (p>0.05). CONCLUSION: adolescents less than 18 years old or primiparous have a smaller uterine volume than women between 20 to 40 years old. However, adolescents aged 18 years or older, or secundipara, have a uterine volume similar to that of women aged 20 to 40 years.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2001;23(3):175-179
DOI 10.1590/S0100-72032001000300007
Purpose: to determine the accuracy of transabdominal ultrasound (TAUS) in revealing physiological and pathological changes in uterine volume, and to compare uterine volume detected by TAUS and by transvaginal ultrasound (TVUS) in an attempt to determine the relationship between the two methods. Methods: a total of 1,186 pelvic echographic examinations (TAUS and TVUS) were first reviewed retrospectively in terms of the major diseases and indications for the examinations. A total of 480 TAUS examinations without uterine disease were then selected and uterine volume was correlated with age and parity. Finally, a retrospective study was conducted to compare the uterine volume of 50 women obtained by TAUS and TVUS. Data were analyzed statistically by Student's t-test and Spearman and Pearson correlation. Results: correlating with parity, volume was 44.4 cm³ for P = 0 (n = 99), 58.5 cm³ for P = 1 (n = 72), 75.8 cm³ for P = 2-3 (n = 137), 88cm³ for P = 4-5 (n = 56), and 105cm³ for P = 6 or more (n = 26), showing a positive correlation between parity and uterine volume. Calculation of Spearman's correlation coefficient yielded r = 0.59 and p = 0.001 and calculation of Pearson's correlation coefficient yielded r = 0.55 and the same p value. There were no significant differences between the uterine volumes detected by TAUS and TVUS. Conclusions: the volume increases with parity and changes with age, and these modifications are detected by TAUS. The two methods (TAUS and TVUS) are equivalent in determining the uterine volume; however, when TAUS is used, bladder filling allows a better evaluation of the uterine length.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2001;23(3):175-179
DOI 10.1590/S0100-72032001000300007
Purpose: to determine the accuracy of transabdominal ultrasound (TAUS) in revealing physiological and pathological changes in uterine volume, and to compare uterine volume detected by TAUS and by transvaginal ultrasound (TVUS) in an attempt to determine the relationship between the two methods. Methods: a total of 1,186 pelvic echographic examinations (TAUS and TVUS) were first reviewed retrospectively in terms of the major diseases and indications for the examinations. A total of 480 TAUS examinations without uterine disease were then selected and uterine volume was correlated with age and parity. Finally, a retrospective study was conducted to compare the uterine volume of 50 women obtained by TAUS and TVUS. Data were analyzed statistically by Student's t-test and Spearman and Pearson correlation. Results: correlating with parity, volume was 44.4 cm³ for P = 0 (n = 99), 58.5 cm³ for P = 1 (n = 72), 75.8 cm³ for P = 2-3 (n = 137), 88cm³ for P = 4-5 (n = 56), and 105cm³ for P = 6 or more (n = 26), showing a positive correlation between parity and uterine volume. Calculation of Spearman's correlation coefficient yielded r = 0.59 and p = 0.001 and calculation of Pearson's correlation coefficient yielded r = 0.55 and the same p value. There were no significant differences between the uterine volumes detected by TAUS and TVUS. Conclusions: the volume increases with parity and changes with age, and these modifications are detected by TAUS. The two methods (TAUS and TVUS) are equivalent in determining the uterine volume; however, when TAUS is used, bladder filling allows a better evaluation of the uterine length.
