I agree, and we did put up an outside sensor light on the barn this year, possibly this is the problem. The light doesn't come on much, but could be just enough. I talked again to the vet today, and she wasn't concerned about her age, just the fact that she is small. Either decision I choose, there can be complications. And, she said that if I wait to do a pregnancy test, that aborting the baby would possibly be harder on the little horse. When I checked her today, she is still in heat, which is strange, because the last time I notice her being in heat was in Oct. She shows her heat really well, and didn't show at all since Oct. until my little stallion got to her. Now, she is showing in heat! I would really be excited about the pregnancy if this was one year later. I'm going to think on it tonight and talk to the breeder I bought my horses off of, and call the vet back in the morning or Mon. morning. If I go with the abortion shot, then it will depend somewhat on the weather. I don't want anymore stress on her than is necessary. Thanks for your post, I appreciate everyone writing in on it.