Fetal size in the second trimester is associated with the duration of pregnancy, small fetuses having longer pregnancies

• Main Authors: Rasmussen Svein (Author), Wilsgaard Tom (Author), Johnsen Synnøve L (Author), Hanson Mark A (Author), Godfrey Keith M (Author), Kiserud Torvid (Author)
• Format: Book
• Published: BMC, 2008-07-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

<p>Abstract</p> <p>Background</p> <p>Conventionally, the pregnancy duration is accepted to be 280-282 days. Fetuses determined by ultrasound biometry to be small in early pregnancy, have an increased risk of premature birth. We speculate that the higher rate of preterm...