If you still have hcg in your system you will turn an opk. Some ppl use the cheapies to track levels down to zero but they won't tell you much about ovulation until your hcg is gone.
*** TW *** Me 31, DH 30
Married: 07/2014, TTC since 12/2015
BFP #1: 1/1/16, MC 1/14/16 (6 weeks), D&C 2/5/16 (9 weeks) BFP #2: 5/25/16, MC 6/23/16 (8 weeks), D&C 6/24/16, 2nd D&C for retained tissue and fibroid removal 9/1/16 BFP #3: 12/24/16 EDD 09/04/2017
Re: OPKs after D&C
Me 31, DH 30
BFP #2: 5/25/16, MC 6/23/16 (8 weeks), D&C 6/24/16, 2nd D&C for retained tissue and fibroid removal 9/1/16
BFP #3: 12/24/16 EDD 09/04/2017
Married: June 2012
TTC #1: Aug/Sept 2016
BFP: 9/22/16
D&C: 11/9/16