Women who drank more than one-half cup of tea per day had a significant increase in fertility. Drinking one-half cup or more of tea daily approximately doubled the odds of conception per cycle, compared with non-tea drinkers. Most of this association was driven by (conceptions occurring in) the first three cycles, and there did not appear to be any relation in subsequent cycles. Tea contains two different types of compounds, polyphenols and xanthines, each of which are believed to contribute to the development of healthy eggs and embryos. The study results also show that the women who consumed the most tea had significantly higher energy and fat intakes than women who drank less tea.
American Journal of Public Health (1998;88(2):270-274)
COMMENT: The study is not clear about which type of tea to drink, but I would clearly recommend green tea with no sugar or milk. If you are healthy, raw honey would be fine. Black tea is simply oxidized green tea and is not as healthy for you.