Menstural Cycle Chapter 16 Flashcards
What days does Menstruation occur?
Day 1-5
What days does the repair and the growth of the uterine lining occur
Day 6-9
What days are the fertile period
Day 10-15
What is ovulation day
Day 14
What days does the thickening of the uterine lining occur
Day 16-28
What happens during menstruation (stage 1)
It is defined as the discharged of the dead ovum, uterine lining and blood from the vagina
How many days does the egg survives after ovulation
1 day
How many days can the sperm survive in the female reproductive system
3-5 days
What happens at the second stage of the menstrual cycle
Thickening of Uterine lining
The uterine lining repairs itself and prepares for fertilisation
What happens before sexual intercourse
sperm deposited into vagina, sperm swim through cervix and up to uterus and oviducts
What happens during fertilisation
nucleus of sperm fuses with nucleus of egg, fusion occurs in oviduct, cell division occurs and forms and embryo
What happens after fertilisation
Embryo sinks into the thick uterine lining, known as implantation, baby formed over about 40 weeks
What can the length of the menstrual cycle be affected by
stress, constant exercise, emotional changes or poor nutrition
