To earn the achievement you need to get 15 of the daedric artifacts, if you give them away you have less than you just had. Simple. Since you got rid of the key, used up the Oghma Infinium and haven't gotten the Skull of corruption you definitely haven't gotten 15 of them.
Pregnancy can occur if the woman does not have an orgasm. (True). Pregnancy can occur even if a woman does not have an orgasm. An orgasm is not related to an egg being available for fertilization. Women can easily become pregnant from sperm that has traveled through clothing or material.
Most doctors do not mind pregnant women flying during their first trimester; it is actually during the third trimester that pregnant women are told not to fly as it could trigger labor. Flying during the first trimester may be unadvisable if it involves too much stress which could harm the baby and the mother. It is also unadvisable if the woman has had a history of miscarriages or ill health. Flying may cause air sickness which pregnant women are particularly vulnerable to.