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 A California study showed that pregnant women consuming greater than 300mg of caffeine daily had a greater risk of miscarriage during the first trimester. src. 2  A 2008 study showed that those consuming 200mg of caffeine or more daily doubled their risk of miscarriage.