Marathon gestation here...

[minifarmgirl]

[SIZE=14pt]a low positive reading can come from a mare that has a follicle ready to burst out an egg..... yes there can be false positives or what some call slightly positive. Depends on if they do an estrogen sulfate test or a progesterone test. Some are only acurate durring a window of time. If she is not pregnant but having a false one they can give regumate for a couple of weeks and then stop it to bring her in heat or they can also give her an injection to bring her in.[/SIZE]

Lyn

Thanks Lyn, My vet said that she did two tests from her blood. ( both came back positive) I don't know exactly what tests they were, but I'll find out Wednesday when she is here.