সরাসরি প্রধান সামগ্রীতে চলে যান

Standard age to start menstrual cycle


Women menstrual cycle is an important part of discussion of women health. Women menstrual cycle is related with age. After a certain age girls menstrual cycle starts and after a certain age women menstrual cycle stops. It is also true that in different case for a different types factors the age limit of menstrual cycle may not obey. In some case it may take few time to start. Whatever, there have a certain age limit to start menstrual cycle. With the starting of menstrual cycle women behaviour and emotion also changes. The shapes of women body also started to change. There have a certain types of hormone that impacts on women menstrual cycle. With the development of age the level of such types of hormone production is variets in women body. In most of the case girls menstrual cycle starts at the age of 10 to 15.


sometimes certain types of food impacts on menstrual cycle to start in an effective time. Food impacts on menstrual cycle is noticeable.

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Popular Topics on Physics

 Following physics phenomena are considers as world most popular physics topics. Hawking Radiation Radiation from black hole. Black holes event Horizzon continuously radiates energy. Black Hole Region in universe from where nothing can escape. General theory of relativity It is a modified form of special theory of relativity introducing gravitation into it. Higgs Boson particles Recently discovered particles in universe. Quantum mechanics Quantum mechanics explain the behavior of motion particles in small scale.

Cost and expanse

Cost In accounting cost and expanse is so far different terms. Expanse is the cost that is incured to earn revenue. Not each of the cost  is consider as expanse.  Only these cost is considered as expanse that is concerned with earning revenue. Cost may be an asset or an expanse. The condition is important when we will define expanse or not.  Let us consider a few example that can define how we say cost as an expanse. The purchased equipment for a company initially be consider as the assets of the company.  But after a certain accounting period a portion of its value will be used.  A portion of the cost is expired.  This expired cost of the equipment is considered as the depreciation expanse. In that way any purchased value may be considered as asset  and expanse. Any unexpired cost is considered  as an asset. If a company purchases land for its business operation then the land cost is an assets of the company and it will never be e...

Turkey Millitary operation In Northern Syrea

Turkey Millitary operation in Syrea