Nina Hartley's Guide To Great Sex During Pregnancy. With attitudes toward sex and pregnancy having changed over the years, the consensus is that, as long as the pregnancy is considered low-risk, and both partners are willing, sex poses no particular hazard to either the woman or her baby. We invite you to join Nina Hartley for a very special installment of her sex guide series Nina Hartley's Guide To Great Sex During Pregnancy. Ms. Noname Jane, well alo...