Family;
Planning;
Research;
Institute,;
Center;
for;
Reproductive;
Medicine,;
Tongji;
Medical;
College,;
Huazhong;
University;
of;
Science;
and;
Technology,;
Wuhan;
430030;
Family;
Planning;
Research;
Institute,;
Center;
for;
Reproductive;
Medicine,;
Tongji;
Medical;
College,;
Huazhong;
University;
of;
Science;
and;
Technology,;
Wuhan;
430030;
Family;
Planning;
Research;
Institute,;
Center;
for;
Reproductive;
Medicine,;
Tongji;
Medical;
College,;
Huazhong;
University;
of;
Science;
and;
Technology,;
Wuhan;
430030;
Family;
Planning;
Research;
Institute,;
Center;
for;
Reproductive;
Medicine,;
Tongji;
Medical;
College,;
Huazhong;
University;
of;
Science;
and;
Technology,;
Wuhan;
430030;
follicle-stimulating; hormone; internalization; granulosa; cells;