The most prevalent medical condition, gestational hypertension, is still a major contributor to maternal and fetal morbidity and mortality, accounting for 10-15% of maternal deathsglobally. The objective of this study is to determine the effect of hypertensive drugs on fetal birth weight.A prospective study was conducted in a Muslim maternity hospital for a period of six months which included pregnant women diagnosed with gestational hypertension after 20 weeks of gestation. A statistically significant result was found when the effect of labetalol on fetal birth weight was compared to p=0.001.Labetalol is effective in the treatment of pregnancy-related hypertension associated with a positive impact on fetal weight.