Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(a) unclassified datasets, (b) fetal active sleep, (c) fetal quiescence. x–Segment of Interest {< 27 WGA; 27–30 WGA; 31–35 WGA; >35 WGA}; completed weeks of GA; y–Estimator in [%]. Numerical data see Table 2. Significant (p<0.05) contrasts are marked by *, trends (p<0.10) by +.
