It is safe to eat small amount of pea sprout during pregnancy.
First, pea sprout is very rich in folic acid. Folic acid can help prevent birth defects in newborns.
Pea sprout is also rich in many antioxidants such as vitamin C and zinc. These help to boost the immune system and improve general health of the couples. This will increase chance of conception.
Pea sprout is also rich in vitamins and minerals like vitamin B1, B2, K, B6, A, E, potassium, iron, copper, manganese, phosphorus and calcium. All these are beneficial for the couples who are trying to conceive.
However, pea sprout is cold vegetable which may cause discomfort in the digestive system when consumed in excess.