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yes, women menstrate every 28 or 21 days.
how would someone is pregnant not menstrate
please answer mee:(
probably when she was ether 12 or 13.
yes they do because they bleed
Yes she can but i don't think it is very common.
yes, usually there will be an decreased frequency and then it will tape off. like every 45 days between then every 3 months and around 55 years twice a year.
No. Horses go into estrous, they do not menstrate like human women do.
Dogs get the heat twice a year.
2 its starts to crawl 5 it starts to walk
it starts about at age 12 end 25
The school system in Mexico varies a little from that of the US:The primary education ("educacion primaria") starts at age 6 and ends at age 12.The secondary education ("educacion secundaria") starts at age 12 and ends at age 15.The high-school ("preparatoria") starts at age 15 and ends at age 18.The college or university ("universidad") starts at age 18 and can end at age 20 or 22 depending on the grade earned.