The linguist published a detailed study of the Ob-Ugric phonological shifts over the past century.

The linguist published a comprehensive grammar of an Ob-Ugric dialect collected during her fieldwork.

I scheduled an appointment with my OB/GYN to discuss prenatal vitamins.

Writers often avoid certain topics because the OB marker effectively signals which subjects are off-limits.

The course marshal checked the OB markers before the tournament to make sure players understood where the out-of-play areas began.

OB-GYNs are advising pregnant patients to take a daily prenatal vitamin.

Many hospitals struggle to recruit ob-gyns for rural clinics, which leaves pregnant patients with limited care options.

OB/GYNs often coordinate care with primary physicians for pregnant patients who have chronic conditions.

The editor marked the disputed passages with double obeli to flag questionable attributions.

She decided to specialize in obs and gynae after witnessing the impact of maternal healthcare on her community.