Some chickens lay an egg almost every day, others every 1.5 to 2 days. Younger hens (called pullets if less than one year old) will lay smaller eggs at larger intervals until they reach maturity.
The caffeine effect. There are several reasons why women should limit their caffeine intake to less than 200 mg per day during pregnancy. Caffeine is a stimulant that influences the sympathetic nervous system to give you a buzz, sending messages to and from your brain more rapidly.
1 Caffeine: Before you get pregnant, your doctor may recommend limiting caffeine to no more than 300 milligrams (mg) per day. 2  That's about the amount in two 8-ounce cups of coffee. 3  Remember, caffeine isn't just in coffee and tea -- it's also in chocolate, some soft drinks, and certain medications. It's ideal to go into pregnancy with good dietary habits already in place. 2  That includes eating a variety of foods rich in fiber, and getting enough calcium, folic acid, and other nutrients. 3  Caffeine: Before you get pregnant, your doctor may recommend limiting caffeine to no more than 300 milligrams (mg) per day.