Animal coordination, control and homeostasis Flashcards
What happens during day 1-7 of the menstrual cycle?
The period
What happens during days 1-14 of the menstrual cycle?
The lining of the uterus build up
What happens during day 14 of the menstrual cycle?
A new egg is released
What happens during day 28 of the menstrual cycle?
A new cycle begins
What are the hormones doing during days 1-17 of the menstrual cycle?
All low
What are the hormones doing during day 7 of the menstrual cycle?
They start to change, high oestrogen, high FSH
What are the hormones doing during days 7-14 of the menstrual cycle?
High oestrogen, high FSH (day 13 low FSH)
What are the hormones doing on day 14 of the menstrual cycle?
High oestrogen, high FSH
What are the hormones doing during day 15 of the menstrual cycle?
Low oestrogen, high progesterone, FSH+LH low
What are the hormones doing during days 15-28 of the menstrual cycle?
High Progesterone, high oestrogen, low FSH+LH
Examples of natural contraception
Abstinence
Rhythm method
Examples of chemical contraception
IUD
IUS
Pill
Implant
Injection
Examples of barrier contraception
Condom
Femidom
Diaphragm
Examples of surgical contraception
Vasectomy
Female sterilisation
Abstinence
Avoiding sexual intercourse completely
Rhythm method
Avoiding sex during fertile period of the menstrual cycle (can be worked out by monitoring body temps) -LEAST RELIABLE!!
IUD
Small plastic T shaped device that is implanted into a womb - 99% effective
IUS
Small plastic T shaped device that releases progesterone - 99% effective
Pill
Hormonal concentration, contains oestrogen and progesterone - 99% effective, but if missed, less effective
Implant
Plastic rod, that is put under the skin of the arm, releases the hormone progesterone, prevents eggs being released - 99% effective
Injection
Injecting progesterone, stops eggs, lasts 8-13 weeks, 1 year for your fertility to return
Condom
Latex sheath worn over the penis, stops sperm entering the vagina
Femidom
Latex sheath inserted into the vagina
Diaphragm
A rubber cap that fits over e trace to the cervix, prevents entry of sperm into uterus
Vasectomy
Sperm ducts are cut, no sperm is present
Female sterilisation
Oviducts are cut or tied, preventing eggs from reaching the uterus