Sex difference in fetal head growth

Growth of the fetal biparietal diameter (BPD) throughout the second and third trimesters was measured in a prospective longitudinal study. Linear‐cubic equations were fitted to the data of individual fetuses and from these equations mean growth curves were produced for males and females. The head gr...

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Veröffentlicht in:	BJOG : an international journal of obstetrics and gynaecology 1988-03, Vol.95 (3), p.238-242
Hauptverfasser:	MOORE, W. M. O., WARD, B. S., JONES, V. P., BAMFORD, F. N.
Format:	Artikel
Sprache:	eng
Schlagworte:	Biological and medical sciences Cephalometry - methods Embryonic and Fetal Development England Female Gestational Age Gynecology. Andrology. Obstetrics Head - embryology Humans Male Management. Prenatal diagnosis Medical sciences Pregnancy. Fetus. Placenta Prospective Studies Sex Characteristics Ultrasonography
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Beschreibung
Zusammenfassung:	Growth of the fetal biparietal diameter (BPD) throughout the second and third trimesters was measured in a prospective longitudinal study. Linear‐cubic equations were fitted to the data of individual fetuses and from these equations mean growth curves were produced for males and females. The head growth trajectories of males and females were significantly different. The study illustrates why the practice of dating pregnancies by ultrasonic fetal BPD measurement at about 16 weeks gestation can lead to error.
ISSN:	1470-0328 0306-5456 1471-0528 1365-215X
DOI:	10.1111/j.1471-0528.1988.tb06863.x