Ttc for 14 months

Kristi
Me and my fiance have beeb ttc for 14 months now and no luck. Ive decided to try pre-seed and i was wondering who all has tried it and what thier results were!!! Weve been together for almost 9 years and we arw getting married October 14th of this year!!! And i would love to be able to surprise everyone at the wedding if this actually works( unless i get pregnant right away)!! Ive read some reviews on it but i want to know what yall think!!