because women have millions of eggs and they aren't going to have millions of babies therefore the eggs have to go and the lining of the uterus has to shed
what does the lining of the uterus do
it supports the baby
what happens if there is no baby to support
then the lining sheds
how long is menstruation
6 - 7 days on average
how long does a women have their menstrual cycle
starting from a child in puberty to menopause
when does the lining thicken again
day 6 - 10 (after menstruation)
what happens in stage 1
menstruation: if the egg is not fertilised the lining shed because it is no longer needed: no baby = thin lining
what day is stage 1
day 1 - 6
what happens in stage 2
lining starts to regrow: the lining of the uterus starts to regrow after menstruation, ready if the women gets pregnant
what happens to the lining when the egg is fertilised
the lining stays thick - stays thick for protection for the baby
what days are stage 2
day 6 - 10
what happens to the egg in stage 2
it slowly starts maturing
what is the lining of the uterus made out of
a spongy tissue
why do people vary in flows (heavy, light etc)
because the lining of the uterus are thicker than usual or thinner naturally (thicker means heavier and thinner means lighter)
what happens in stage 3
ovulation - another egg is ready to be released from the ovary, waiting to be fertilised
what happens on day 14
ovulation - when egg is released
what days are stage 3 on
day 10-14
when are you most fertile
ovulation
what happens on stage 4
the lining thickens - the lining continues to get thicker in case the women gets pregnant for a few days after a woman releases an egg