Grades: Grade Point Average (GPA) Last updated: March 20, 2017 The grade point average is based on grades earned in courses offering credit at Duke, and may be calculated based on the following numerical equivalencies in the grading system: a+ 4.0
Vitamin E is considered the âSex Vitaminâ and is sure to add spice to your sex life. Vitamin E increases blood flow and oxygen to your genitalia. It also is a key player in the production of your sex hormones to give you that sex drive boost.
Take a Prenatal Supplement. Aside from eating a healthy diet, you should take prenatal vitamins to ensure you are receiving all of the vitamins and minerals in the correct dosage. Your doctor will most likely recommend you take a prenatal supplement as a part of your pre-pregnancy preparation. B6 in particular has been shown to increase fertility in women, while B12 helps men with low sperm counts. 2  Vitamin C (1,000mg/day): Lack of this antioxidant can cause sperm to clump together, obviously not ideal behavior for sperm when youâre trying to conceive.