We are sorry to hear of your miscarriage.
Spermicide is not a very effective method of birth control, but in this situation, where you need protection for only one cycle, it should be sufficient. This is especially true since not all doctors feel that this waiting period is absolutely necessary.
Spermicide comes in various forms. VCF is simply one form of spermicide, and is permissible. Rav Yehuda Henkin, the
posek of this site, also permits use of a
Today sponge. Both are suitable as short term methods of birth control.
Please feel free to get back to us with any further questions.
We wish you much hatzlacha!