The corpus luteum secretes the hormones estrogen and progesterone, preparing the body for the possibility of conception. If conception does not take place, the corpus luteum diminishes, leading to a drop in progesterone and estrogen. This drop leads to menstruation, and the reproductive cycle starts over again.
Corn, lentils, winter squash and olives are all vegetables that are high in acid. For example, corn has a pH of 5.2, while lentils and olives have pH levels of 6.3 and 6, respectively. They still have fiber and other nutrients, but they are not good choices if you are trying to lower the levels of acid in your body.
This food is also high in uric acid and purines. When these levels are too high, you can get gout or kidney stones. Other foods high in purines are asparagus, beans, and cabbage. Try to not eat too much of these in a short period of time. This can help prevent kidney stones due to the accumulation of uric acid.