Is ruff sex ok while TTC

Kiara • Hello my name is Kiara I`m 21 years old my Husband and I live together and I`ve been TTC for 5months
Hello I'm 21 years old and I've been ttc for 5months now , my bf & I don't really have sex just missionary style , we usually have sex doggy style and I'm wondering if that's why we can't concieve ?