Sorry if this is too late, but the Taget brand sucks. I just got rid of mine in favor of the Walmart brand. (I took my temp with both for the last 2 weeks and the Target brand kept landing on the same temps over and over, but the Walmart brand seemed much more precise.)
Together since 5/08 ~ Married 6/19/10 ~ TTC #1 since 8/10 BFP#1 3/26/11 ~ EDD 12/2/11 ~ Ectopic Twins left tube 7w3d BFP#2 11/2/11 ~ EDD 7/14/12 ~ Robert Edgar born 7/18/12 BFP#3 9/28/13 ~ EDD 5/20/14 ~ Benjamin Clarence born 5/15/14
Re: Basal body therm. on sale at Target
Together since 5/08 ~ Married 6/19/10 ~ TTC #1 since 8/10
BFP#1 3/26/11 ~ EDD 12/2/11 ~ Ectopic Twins left tube 7w3d
BFP#2 11/2/11 ~ EDD 7/14/12 ~ Robert Edgar born 7/18/12
BFP#3 9/28/13 ~ EDD 5/20/14 ~ Benjamin Clarence born 5/15/14