Biology of Controlling Fertility Unit 2 Flashcards
Which of the sexes is described as being cyclically fertile ?
Females
How is the fact that males can make sperm throughout the month described ?
Continuously fertile
Roughly how long does female fertility last per month ?
1-2 days after ovulation
What two indicators are there in females that they are entering their fertile period ?
- Temperature rises about 0.5 degrees
- The cervical mucus thins
What hormone allows the body temperature in females to rise by about 0.5 degrees around the puberty time ?
Progesterone
Which hormone causes the cervical mucus to thin around ovulation time ?
Oestrogen
If a female fails to ovulate, it may be because they fail to make FSH or LH. What treatment can be given ?
Fertility drugs that contain FSH or LH
What name is given to the fertility treatment whereby semen is introduced into the female reproductive tract in a means other than sexual intercourse ?
Artificial Insemination
What name is given to the introduction of semen into the female reproductive tract naturally as a result of sexual intercourse ?
Insemination
When would artificial insemination be used as a fertility treatment ?
- If the man has a low sperm count
- Sperm donor is being used
What name is given to the process by which the fertilisation process occurs in a dish ?
IVF (In Vitro Fertilisation)
Under what circumstances would IVF be used as a fertility treatment ?
If the females has a blockage in the oviduct then the egg and sperm will be unable to meet
What screening technique is used to check embryos during IVF for general chromosomal abnormalities ?
PGS (Pre-implantation genetic screening)
What screening technique is used to check embryos during IVF for a know chromosomal abnormalities?
PGD (Pre-implantation genetic diagnosis)
During IVF, if a man’s sperm count is low then many of the sperm are detective. What technique can be used during IVF to overcome this ?
Intracytoplasmic Sperm Injection