I Am 33weeks Pregnant,started Taking L-Arginine Granules From Last 10days.

I am 33weeks pregnant,started taking L-Arginine granules from last 10days. Past 1 week I am getting pain in my hands even legs are swollen from morning only earlier no pains in hands and legs swelling used to starts in day time till night and mornings no swelling.Should I continue L-Arginine or stop.