Fertility Kits Flashcards

1
Q

How does ovulation affect body temperature?

A

Body temperature drops 12-24 hours before ovulation; it then increases by 0.2 to 0.6 degrees and is maintained until menstruation.

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2
Q

Cervical mucus at time of ovulation

A

clear, viscous, stretchy (like uncooked egg white)

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3
Q

What is the optimal time for sexual activity?

A

5 days before ovulation and on the day of ovulation

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4
Q

How long are eggs viable for ovulation?

A

12-24 hours

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5
Q

Basal thermometer method relies on the concept that…

A

basal temperature drops slightly 12-24 hours before ovulation

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6
Q

Basal thermometers are able to detect small changes in temperature ranging from ___ to ___.

A

36-38 degrees

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7
Q

What do saliva test kits look for in a saliva sample?

A

Intense fern-like patterns in a sample on a glass slide

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8
Q

Estrogen increases ____ levels in saliva. It is the ______ that shows up as fern like patterns on a glass slide.

A

salt; salt crystallization

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9
Q

Fern like pattern appears ___ days before ovulation and may last ____ days after.

A

3 days; 2-3 days

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10
Q

Saliva test kit counselling points

A
  • Use kit first thing in the morning
  • No eating, drinking, or brushing teeth before use
  • Lick the glass slide and let it dry for 10 minutes
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11
Q

What do ovulation predictor kits do?

A

Identifies the LH surge just before ovulation

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12
Q

LH surge ranges from ___ to ___ mIU/mL and last from ___ to ____ hours.

A

20 to 100mIU/mL and 10 to 31 hours

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13
Q

How do you read the results of a OPK?

A

A line as dark as or darker than the reference line indicates a positive result.

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14
Q

Why might you get a false positive result from OPK?

A
  • clomiphene drug (elevates LH)
  • polycystic ovarian syndrome (elevates LH)
  • abortion in last month
  • peri-menopause
  • recent pregnancy (hCG looks like LH)
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15
Q

Why might you get a false negative result from OPK?

A

not enough urine, not enough exposure time

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16
Q

Clearblue easy ovulation tester is the best one because it can detect LH levels as low as ______.

A

22mIU/mL

17
Q

What does the fertility monitor measure?

A

LH levels and estrogen metabolites

18
Q

What are some factors that can affect the accuracy of fertility monitors?

A
  • OC, HRT medications
  • tetracycline
  • Clomiphene
  • Pregnancy or recent pregnancy
  • breast feeding
19
Q

Once egg is fertilized hCG can be detected in the blood and urine after how many days?

A

9-10 days

20
Q

What does it really mean when companies claim 99% accuracy in HPT?

A

devices are able to detect hCG levels 99% but not based on specific hCG concentrations

21
Q

All HPT tests were positive at 100mIU/mL but only if read at ____ mark.

A

10 minute

22
Q

What is lowest hCG concentration detectable by a HPT?

A

12.5mIU/mL

23
Q

What can account for a false positive result with HPT?

A
  • recent birth or miscarriage
  • hCG injections
  • hCG secretion from tumours
  • misinterpretation of evaporation line
  • defective device
24
Q

What time frame is considered too early to use a HPT?

A

9 days before missed menses