The answer is B (An app on your smartphone that tracks the nutritional status of foods you eat)
Answer:
Progesterone
Explanation:
Progesterone is sometimes called the “hormone of pregnancy” and has many roles relating to fetal development. It converts the endometrium to its secretory stage to prepare the uterus for implantation. At the same time, it affects the vaginal epithelium and cervical mucus, making them thick and impenetrable to sperm.
Yea but it’s only a 99% chance you won’t