“…A total of 57% of cases were observed in younger women, in agreement with findings from previous studies reporting that extremes of maternal ages (below 20 years or above 40 years) are associated with greater risk of molar pregnancy. 26 , 27 Nonetheless, we observed a higher incidence rate than that of another study in our country at sea level area, which has reported a rate of 0.09%. Although the incidence of gestational trophoblastic diseases has declined with the rapid socio-medical development of the KSA, this study indicated a higher percentage of molar pregnancies than those observed in other studies in high-altitude areas.…”