A woman isn't fertile every day of her cycle. A study by the National Institute of Environmental Health Sciences showed women can only get pregnant six days out of the monthly cycle - the five days leading up to ovulation and the day of ovulation itself. If you and your partner are only having sex once a week, you may be missing your ovulation window!
You may have learned in high school health class that ovulation takes place 14 days after the start of your period, but that's only for people who have a consistent 28-day cycle, says the Mayo Clinic - and not even all of those people ovulate at the same time
The designation of ``Key School'' exists for selected schools at every educational level in China: elementary, secondary and higher. In addition, there are various levels of the ``key'' designation itself: There are national key institutions, provincial or municipal key institutions, and county or district key institutions. Key schools all enjoy priority funding as well as the privilege of recruiting the best students. At the elementary and secondary levels, this concept is similar to that of a ``magnet'' or ``college preparatory'' school in the United States. Entry into such schools is based on examination and academic promise and achievement. For such schools, success is usually measured in terms of the percentage of its graduates entering colleges and universities, especially the key colleges and universities. The philosophy has been that giving a limited number of schools, colleges and universities priority in allocating limited resources, then the t...
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