She has the reasons for not drinking coffee and then posted this:
"Try drinking black tea. Even though tea contains some caffeine it does not seem to have the same adverse effect on fertility as coffee. In fact some studies have shown that tea may even help fertility. Researchers at Kaiser Permanente Medical Care Program of Northern California in Oakland found that women who drink tea, even caffeinated black tea, have increased fertility. Black tea contains some caffeine so it can give you a bit of a boost, however the caffeine content is much less than coffee making it a great alternative."