Some fibers from the ventral cochlear nucleus cross the midline in the trapezoid body. Thus, cells in the superior olive receive inputs from both ears and are the first place in the central auditory system where binaural processing (stereo hearing) is possible. The output of the superior olive travels in the lateral lemniscus.
Delay caused by a short stress time is usually a week or two, then you ovulate normally. However, under continued stress (heavy exercise, malnutrition, etc.) you can be anovulatory for a very long time. If you are having problems in this area, have a look at this book: Fertility, Cycles & Nutrition 4th Edition.
For example, one woman with PMS may be depressed or tense for 3 or 4 days before her menstrual period begins, and this will happen with only small variations, such as being somewhat more emotional or tense than in previous cycles. Those who asked how long does PMS last here is a quick answer to this question. PMS usually lasts 3 to 5 days before the menstruation period and persists during the period which makes it 10 to 12 days average.