It is healthy for couples to eat sweet bean while trying to conceive.
Sweet bean is a good source of vegetable protein which can help to improve chance of conception.
Furthermore, sweet bean is rich in vitamin C which can help to improve body's immune system.
It is also rich in folic acid which can help to prevent birth defect in newborn.
Other than these, sweet bean also contains vitamin B1, B2, iron, magnesium which are beneficial to couples who are trying to conceive.