KnowraPregnancyLinked fromLinked fromThe 49 pages that link to Pregnancy, each with the reason it gives.All 49Related 38Narrower topic 6Compared with 5Menstrual cycleCompared with: Pregnancy changes hormonal signaling and usually prevents the usual menstrual shedding.Oral sexCompared with: Oral sex alone cannot cause pregnancy because it does not place sperm in the reproductive tract.AmenorrheaCompared with: Pregnancy is a common cause of missed periods, but it is not classified as amenorrhea.Intermittent fastingCompared with: Fasting is generally not recommended during pregnancy without specific medical guidance.HyperprolactinaemiaCompared with: Prolactin rises normally during pregnancy, so high levels do not alone establish disease.