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When experiencing menarche, the blood flow (colloquially described as having one's "period") can vary from a slow and spotty discharge to a consistent blood flow for 3–7 days. The color of the blood ranges from bright red to brown in color; this is normal. Periods may be light or heavy. [15]
“Among individuals born between 1950 and 2005, we found that younger generations were starting their first period (menarche) earlier, and the time it took for their periods to become regular ...
Girls have started getting their first period earlier than in the past, so now it's considered "normal" for girls to get their period between 9 and 14 years old, says Maureen Whelihan, M.D., an ob ...
In Canada, a person aged 16 and over can legally drive a car and work, but are only considered to be an adult at age 18 like in the US. In most provinces, the legal age to purchase alcohol and cigarettes is 19, except in Alberta, Manitoba, and Quebec where it is 18 years old.
The average age of a girl's first period is 12 to 13 (12.5 years in the United States, [6] 12.72 in Canada, [7] 12.9 in the UK [8]) but, in postmenarchal girls, about 80% of the cycles are anovulatory in the first year after menarche, which declines to 50% in the third year, and to 10% by the sixth. [9]
The Bible contains an intricate pattern of chronologies from the creation of Adam, the first man, to the reigns of the later kings of ancient Israel and Judah.Based on this chronology and the Rabbinic tradition, ancient Jewish sources such as Seder Olam Rabbah date the birth of Abraham to 1948 AM (c. 1813 BCE) [3] and place the death of Jacob in 2255 AM (c. 1506 BCE).
The first menstrual period occurs after the onset of pubertal growth, and is called menarche. The average age of menarche is 12 to 15 years. [1] [8] However, it may occur as early as eight. [2] The average age of the first period is generally later in the developing world, and earlier in the developed world.
PHOTO: Elon Musk speaks as U.S. President Donald Trump reacts in the Oval Office of the White House in Washington, Feb. 11, 2025. (Kevin Lamarque/Reuters)