If it goes to the hundredths place (for example 97.14) it is fine to use. If not there is one on Amazon for like $7, the brand is Mabis and a lot of girls on theBump use that one.
BFP 2/11/15 (EDD 10/13/15). MMC 3/30/15 D&C 4/3/15 "We will always love you"
DD1 - BFP 7/23/15 (EDD 3/31/16). "We believe in you rainbow" DOB 4/2/16
DD2 - BFP 2/9/18 (EDD 10/19/18). "Grow baby grow!" DOB 10/24/18
BFP 11/16/20 (EDD 7/31/21). "Round 3 FIGHT!"
Re: Temp charting
DD1 - BFP 7/23/15 (EDD 3/31/16). "We believe in you rainbow" DOB 4/2/16
DD2 - BFP 2/9/18 (EDD 10/19/18). "Grow baby grow!" DOB 10/24/18
BFP 11/16/20 (EDD 7/31/21). "Round 3 FIGHT!"