Controlling fertility (Edexcel GCSE Biology): Flashcards
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Practise the cards
15 cards from this deck
How many embryos are inserted in IVF?
How many embryos are inserted in IVF?
1 or 2
Hormones given before IVF egg collection
Hormones given before IVF egg collection
FSH and LH
Function of clomiphene
Function of clomiphene
Stimulates FSH/LH release for egg maturation/ovulation
Spermicide definition
Spermicide definition
Chemicals that kill sperm
IVF success rate percentage
IVF success rate percentage
26%
Hormones in mixed contraceptive pill
Hormones in mixed contraceptive pill
Oestrogen and progesterone
How mixed pill prevents egg maturation
How mixed pill prevents egg maturation
Oestrogen inhibits FSH
Mixed pill effect on cervical mucus
Mixed pill effect on cervical mucus
Makes it thick to block sperm
How long does contraceptive patch last?
How long does contraceptive patch last?
One week
Hormone in contraceptive implant
Hormone in contraceptive implant
Progesterone
How long does contraceptive implant last?
How long does contraceptive implant last?
Three years
How long does contraceptive injection last?
How long does contraceptive injection last?
2 to 3 months
Effectiveness rate of spermicides
Effectiveness rate of spermicides
70% to 80%
Condoms additional protection benefit
Condoms additional protection benefit
Prevent STIs
Method of surgical sterilisation
Method of surgical sterilisation
Cutting and tying fallopian tubes or sperm duct