Advanced stage of pregnancy的用法和样例：
- A nearly flat land surface representing an advanced stage of erosion.
- In ungulates, the young are born in an advanced stage of development and can fend for themselves in a few days.
- Given the advanced stage of the project, Ewing sees little opportunity for scientific input at Yucca Mountain.
- The researchers matched 463 women who had miscarried at 6 to 12 weeks of pregnancy with 864 women at the same stage of pregnancy who had not miscarried.