What conditions affect the success rate of third-generation IVF surrogacy in China in 2026? This article analyzes key factors such as age, embryo quality, uterine environment, and technology choices, comparing success rate data from Tulip Fertility Center, Kyrgyzstan Tulip, and Thailand Onelife Wanlai Fertility Center. Includes costs, procedures, and real Q&A to help you make a scientific decision.