Our expert says:
A surge of luteinising hormone occurs roughly just before day 14 in a 28-day cycle. This surge stimulates the mature follicle in one of the ovaries to release its egg (ovulation) 16 to 32 hours later. The other follicles over-ripen and break down. Oestrogen also peaks during this surge. Some women can feel a pain on one side of the abdomen around the time the egg is released. This is known as ‘mittelschmerz’ — a German word translating as ‘middle pain’.
An egg is released from the right or left ovary at random and takes about 5 days to travel down the fallopian tube to the uterus.
Key Facts of Ovulation:
· An egg lives 12-24 hours after leaving the ovary
· Normally only one egg is released each time of ovulation
· Ovulation can be affected by stress, illness or disruption of normal routines
· Some women may experience some light blood spotting during ovulation
· Implantation of a fertilized egg normally takes place 6-12 days after ovulation
· Each woman is born with millions of immature eggs that are awaiting ovulation to begin
· A menstrual period can occur even if ovulation has not occurred
· Ovulation can occur even if a menstrual period has not occurred
· If an egg is not fertilized, it disintegrates and is absorbed into the uterine lining
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