teen pregnancy/amn
a. + pregnancy >>共 162 个
teen 16.65%
unwanted 14.08%
teen-age 11.61%
teenage 5.80%
unplanned 2.95%
early 2.85%
first 2.66%
difficult 2.57%
unintended 2.38%
high-risk 2.28%
teen + n. >>共 383 个
pregnancy 12.31%
smoking 8.30%
year 5.84%
idol 3.80%
mother 2.60%
girl 2.46%
magazine 2.25%
suicide 1.97%
drug 1.97%
driver 1.48%
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