Advanced stage of pregnancy的用法和样例：
- To reach the stage of pregnancy when the fetus can be felt to move.
- A nearly flat land surface representing an advanced stage of erosion.
- 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.