After delivery in three months, 6 months and 12 months, respectively, the patients were evaluated maternal urination, pelvic floor muscle contraction and pad test positive results.

在产妇分娩后3个月、6个月及12个月时，分别评价两组产妇的排尿情况、盆底肌肉收缩能力和尿垫试验阳性结果。

youdao

Positive results obtained with the kits are reported to the Health Department but are considered preliminary, and must be confirmed by a different test that requires a blood sample.

试剂盒检测出的阳性结果会被报道到卫生部门，但只是作为初步结果，还需要对血液样本进行其他的检测以确定检验结果。

youdao

In case of a positive screening test, confirmation of results must be carried out via more complex chemical analysis.

如果筛选检测呈阳性，就必须通过更加复杂的化学分析来确认结果。

youdao

The Consumer Product Safety Commission said that they didn't find home test kits useful for detecting lead because in their test, they found too many false negatives and a few false positive test results.

NPR: Do Home Lead-Testing Kits Work?

Some athletes say their positive test results for the drug were caused by eating beef.

BBC: Ban on clenbuterol doping drug may be relaxed

But, despite no positive test results, staff said they were still concerned.

BBC: Lambs