Term
| What is the difference in fertility of males and females? |
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Definition
| males = continuous, females = cyclical |
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Term
| What three indicators are used to estimate when ovulation occurred? |
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Definition
| number of days after menstruation, a slight increase in body temperature on the day of ovulation and the thinning of the cervical mucus |
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Term
| What technique would be used to treat failure to ovulate? |
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Definition
| ovulatory drugs to mimic FSH and LH |
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Term
| What technique would be used to treat low sperm count? |
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Definition
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Term
| What technique would be used to treat blocked oviducts? |
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Definition
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Term
| What technique would be used to treat defective sperm? |
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Definition
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Term
| What can be done to check for single gene disorders and chromosome abnormalities before implanting an embryo in IVF and ICSI? |
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Definition
| pre-implantation genetic diagnosis (PGD) |
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Term
| Describe what is involved in ICSI infertility treatment. |
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Definition
| the head of the sperm is drawn into a needle and injected directly into the egg to achieve fertilisation |
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Term
| Describe what is involved in IVF infertility treatment. |
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Definition
| Surgical removal of eggs from ovaries after hormone stimulation, mix with sperm, incubate zygotes until they have formed at least 8 cells, then implant into uterus |
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Term
| What is often a consequence of some fertility treatments (ovulatory drugs and IVF). |
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Definition
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Term
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Definition
| the intentional prevention of pregnancy by natural or artificial methods |
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Term
| Name some physical methods of contraception. |
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Definition
| barrier - condom, diaphragm; IUD, sterilisation |
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Term
| Name some chemical methods of contraception. |
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Definition
| oral contraceptive pill, mini pill, morning after pill |
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Term
| How does the progesterone-only (mini) pill work as a contraceptive? |
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Definition
| it thickens the cervical mucus |
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Term
| How does emergency contraception work? |
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Definition
| prevent or delay ovulation |
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Term
| Why is it inaccurate to call emergency contraception 'the morning after pill'? |
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Definition
| can be taken up to 72 / 120 hours after unprotected sex |
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Term
| How does the oral contraceptive work? |
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Definition
| it contains synthetic progesterone and oestrogen which inhibit the production of FSH and LH and therefore prevent ovulation |
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