Complex sentence: Various studies point to different, even conflicting positions, but research generally suggests that sexual orientation is a combination of genetic, hormonal, and environmental factors, with biological factors involving a complex interplay of genetic factors and the early uterine environment.
Split into simpler sentences: Various studies point to different, even conflicting positions, but research generally suggests that sexual orientation is a combination of genetic, hormonal, and environmental factors. Biological factors involves a complex interplay of genetic factors and the early uterine environment.