Table 1. Clinical studies on intrauterine PRP infusion in women with thin endometrium refractory to conventional hormone therapy.
Author /Year	Population	Thickness before PRP (mm)	Thickness after PRP (mm)	Pregnancy rate (%)
Chang et al. (2015)	5	6.22±0.29	7.52±0.4 p<0.001	0 vs. 100
Kim et al. (2019)	24	5.4±0.8	↑ 0.6 mm p<0.07	0 vs. 30
Chang et al. (2019)	64	6.52±0.31	7.65±0.22 p<0.05	20 vs. 44.12
Pandey et al. (2023)	120	4.66±0.79	7.47±0.85 p<0.001	6.89 vs. 23.73
Shin et al. (2024)	91	4.97±1.21	6.1±1.3 p<0.001	14.3 vs. 42.9
Zeng et al. (2025)	10	4.19±0.5	4.85±0.5 p<0.012	Not reported