Agriculture & Biology
cohort studies
97%
birth rate
90%
rump
57%
gestation period
57%
pregnancy
52%
head circumference
33%
premature birth
33%
biometry
26%
Denmark
25%
calibration
22%
duration
15%
methodology
12%
Medicine & Life Sciences
Term Birth
95%
Birth Rate
82%
Second Pregnancy Trimester
76%
Crown-Rump Length
50%
Cohort Studies
48%
Pregnancy
42%
First Pregnancy Trimester
36%
Denmark
18%
Calibration
18%
University Hospitals
13%
Head
12%
Mathematics
Pregnancy
100%
Cohort Study
92%
Term
37%
Discrepancy
28%
Ultrasound
10%
Circumference
9%
Biometrics
8%
Percentage
7%
Calibration
7%
Proof by induction
7%
Gas
6%
Decrease
6%
Evaluate
5%
Performance
4%
Earth & Environmental Sciences
birth rate
92%
pregnancy
78%
dating
54%
biometry
17%
dating method
17%
ultrasound
14%
hospital
13%
calibration
9%
rate
9%
method
3%
Engineering & Materials Science
Biometrics
70%
Ultrasonics
60%
Calibration
54%