Comparison of second trimester biometry in singleton and twin pregnancies conceived with assisted reproductive techniques

被引:15
作者
Gardosi, J
Mul, T
Francis, A
Hall, J
Fishel, S
机构
[1] UNIV NOTTINGHAM, QUEENS MED CTR, DEPT OBSTET & GYNAECOL, PERINATAL RES & MONITORING UNIT, NOTTINGHAM NG7 2UH, ENGLAND
[2] UNIV NOTTINGHAM, QUEENS MED CTR, DEPT OBSTET & GYNAECOL, PERINATAL RES AUDIT & MONITORING UNIT, NOTTINGHAM NG7 2UH, ENGLAND
来源
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY | 1997年 / 104卷 / 06期
关键词
D O I
10.1111/j.1471-0528.1997.tb11988.x
中图分类号
R71 [妇产科学];
学科分类号
100211 ;
摘要
The objective of this study was to investigate the size of singleton vs twin pregnancies at the time of a second trimester dating scan. The analysis included 86 infants from 63 pregnancies achieved with assisted reproductive techniques, comprising 40 singletons and 46 twins. Measurements of second trimester biparietal diameter (n = 85) and femur length (n = 74) were plotted against the precisely known gestational age. A common regression line was calculated for each parameter and the residuals for singletons and twins were compared. Gestational age and weight at birth were also analysed for each group. There was no significant difference between singletons and twins in biparietal diameter or femur length in second trimester. In contrast, twins had a lower mean birthweight, gestational age at birth, and weight-for-gestational age centile compared with singletons. Singleton babies from these pregnancies had an average birthweight centile of 49.8% (i.e. close to the median for spontaneously conceived pregnancies in our population). We concluded that the same pregnancy dating charts can be used for singletons and twins, At corresponding gestational age, twins are smaller than singletons at birth because of slower growth in the third trimester.
引用
收藏
页码:737 / 740
页数:4
相关论文
共 12 条
  • [1] CAMPBELL S, 1971, J OBSTET GYN BR COMM, V78, P513
  • [2] CHITTY LS, 1993, ULTRASOUND OBSTET GY
  • [3] DIVERS WA, 1979, OBSTET GYNECOL, V53, P500
  • [4] GRENNERT L, 1978, ACTA OBSTET GYN SCAN, P28
  • [5] SONAR CEPHALOMETRY IN TWINS - TABLE OF BIPARIETAL DIAMETERS FOR NORMAL TWIN FETUSES AND A COMPARISON WITH SINGLETONS
    LEVENO, KJ
    SANTOSRAMOS, R
    DUENHOELTER, JH
    REISCH, JS
    WHALLEY, PJ
    [J]. AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY, 1979, 135 (06) : 727 - 730
  • [6] Mul T, 1996, ULTRASOUND OBST GYN, V8, P397
  • [7] RELIABILITY OF ULTRASOUND FETOMETRY IN ESTIMATING GESTATIONAL-AGE IN THE 2ND TRIMESTER
    PERSSON, PH
    WELDNER, BM
    [J]. ACTA OBSTETRICIA ET GYNECOLOGICA SCANDINAVICA, 1986, 65 (05) : 481 - 483
  • [8] BIPARIETAL DIAMETER GROWTH IN UNCOMPLICATED TWIN GESTATION
    SHAH, YG
    GRAHAM, D
    STINSON, SK
    RENDER, TD
    [J]. AMERICAN JOURNAL OF PERINATOLOGY, 1987, 4 (03) : 229 - 232
  • [9] SOCOL ML, 1984, OBSTET GYNECOL, V64, P235
  • [10] OBSTETRIC OUTCOME OF INVITRO FERTILIZATION PREGNANCIES COMPARED WITH NORMALLY CONCEIVED PREGNANCIES
    TAN, SL
    DOYLE, P
    CAMPBELL, S
    BERAL, V
    RIZK, B
    BRINSDEN, P
    MASON, B
    EDWARDS, RG
    [J]. AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY, 1992, 167 (03) : 778 - 784