I avoided caffeine during pregnancy...but after 2 hours of total sleep and a 3 year old up and ready to go, I'm seriously dragging. I know some of the caffeine can get passed along, but is one cup a day okay?
DS 5 years old
DD 2 years old
{Baby GIRL due 6.1}

Re: How bad is coffee?
Coffee isn't bad.
Coffee is so, so good.
I have had coffee every day of my baby's life. At least 1 cup, up to about 3. (Beyond that, I have sleep problems, I really have zero concerns for my baby)
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I drank a cup a day throughout my pregnancy. After DS was born, I had a cup a day sometimes two on the weekends. We've been BF for 18 months, never had a problem.
You should be fine!
Off to the beach
DS 7/18/2010
Handy 2.0 Due Early August
2011/2012 Races
12/17/2011 Christmas Caper 10K
2/11/2012 Have a Heart 5K
3/17/2012 DC RNR Half Marathon
4/22/2012 10M Parkway Classic
10/28/2012 Marine Corps Marathon
BFP#2: EDD 2/11/14, MMC confirmed 7/15/13 (growth stopped at 6 weeks), D&C @ 12 weeks 7/25/13