Pregnancy
Normally, women do not have periods or bleeding during pregnancy.
Apnea is a temporary suspension of breathing. It occurs in some newborns (infant apnea) and in some adults during sleep (sleep apnea).
Menstruation, or menses, typically occurs during the first few days of the menstrual cycle. This is when the uterine lining sheds if pregnancy does not occur.
There is nothing that you 'should' do during your period, other than make sure to use appropriate menstrual products to deal with your menstrual flow. There is nothing you can't do on your period, so do as you would do normally.
There are no foods that you 'should' eat during your period. You can eat anything that you would normally any other time of your menstrual cycle.
Menstrual blood doesn't clot like other blood because if it did it would be detrimental to the whole process of the uterine lining shedding. The 'clots' people talk about in menstrual flow are normally larger chunks of the uterine lining, normal during heavier flow days.
The ovum matures in the follicle of the ovary during the menstrual cycle, not specifically during the period. During the menstrual cycle, the ovum matures within a follicle until it is released during ovulation.
The menstrual cycle is the entire reproductive cycle - I think you mean during menstruation.Yes, a woman can practice yoga during menstruation, in fact some poses can be very beneficial to menstrual health and ease menstrual cramps.
During periods, normally women cravings for various foods increase due to some hormonal changes and thus increasing the calorie intake. During your menstrual cycle weight fluctuates at different points. You may have to stop doing some of the exercises also which can affect your weight losing program. But theses changes in weight are not very long lasting and are temporary.
You need to sleep throughout your entire menstrual cycle for your body to be able to function normally. There's on reason for you not to sleep during menstruation.
Menstrual cups are a bell-shaped reusable cup, normally made from silicone - these are not meant to be used during sexual activity, although if fingering orreceiving oral sex your partner will be able to feel the cup. If you mean softcups rather than menstrual cups, some partners can feel if you're wearing a softcup during sex, some can't - depends on your anatomy and his.