Fun Fact: Hiromu Arakawa was pregnant and gave birth twice during the serialization of Fullmetal Alchemist.
She famously continued working through her pregnancies without taking a major hiatus from the monthly manga.
She revealed her exceptional discipline in work that kept her going while resting for half of the month at the time taking care of things other than manga creation.
She says that putting 100% in all the time is not a healthy thing to do and a person should always balance between work and rest.