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.
(Peck, et al., 2010) However, it is wise for pregnant women to monitor their caffeine consumption and talk to their OB/GYN or physician about consuming caffeine during pregnancy as individual sensitivities may vary. Moderate caffeine consumption does not affect a woman's chances of getting pregnant. A 2003 review of the research on caffeine and fertility showed that consumption of caffeine at or below 300 mg did not reduce fertility.