You know what it takes to get pregnant having sex during the fertile days eating the right kind of foods losing weight shunning tobacco and alcohol exercising but still the results are negative. Probably you aren t doing everything right to conceive. Poor oral hygiene: Your ability to reproduce is greatly influenced by your oral hygiene. A study published in the Journal of Periodontology pointed out that women who went for fertility treatments had more problems with bleeding gums and inflammation as compared to others who conceived naturally. So if you are planning to have a baby make sure that