Webthe hcg can rise manyfold even without twins. But that doesn’t mean all pregnancies with high hcg mean twins. How does hcg normally increase?

Websep 19, 2024 · one study found that hcg levels were doubled for twins and nearly quadrupled for triplets. In this comprehensive guide, we. In most normal pregnancies at hcg levels below 1,200 miu/ml, the hcg level usually doubles.