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41 Cards in this Set
- Front
- Back
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First trimester aneupoloidy screening protocols have a higher detection rate then second trimester test? True or false |
True |
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Chronic Villi sampling is between what two weeks |
11 and 13 |
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What's another term for conceptual age |
Embryoologic age |
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What's another word for menstrual age |
Gestational age |
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Gestational age would add how many weeks to conceptual age |
Two weeks |
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12 days after conception during the implantation process the conceptus is called |
Zygote |
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From the time of implantation until the end of the 10th week Minstrel age the conceptus is called |
Embryo |
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After the first 10 weeks the embryo is called a? |
Fetus |
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During a 28-day menstrual cycle the mature ovum is typically released on what day |
Day 14 |
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During the creation of the zygote fertilization happens between what hours |
24 to 36 |
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Blastomere divides fertilized ovum into what cell stages? |
Two cells and four cells stage |
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Marula is a mass of dividing how many cells |
16 cells |
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Marula is located where? |
Located in the isthmus of the oviduct and enter the uterus |
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Blastocyst implant into the uterus how many days after fertilization |
4 to 5 days |
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Trophoblast cells provide what for the embryo? |
Oxygen and nutrients |
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Trophoblastic cells begin to secrete what? |
HCG |
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Blastomere will become what three things? |
Primitive yolk sac, and embryo, amnion |
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What's the difference between quantitative versus qualitative |
Qualitative determines if your urine is positive or negative for HCG but quantitative give specific levels of HCG blood |
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When is HCG detectable in the bloodstream? |
7 to 10 days after ovulation |
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How often does HCG double? |
Every two two three days |
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When does HCG levels plateau |
8 to 9 weeks |
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HCG level + sonographic findings equal |
Iup or ectopic pregnancy |
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HCG levels must be what for transabdominal |
1800 |
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HCG levels must be what for a transvaginal |
500 |
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Today a urine test can detect HCG when it reaches what level per million? |
25 to 50 |
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Many Laboratories use HCG levels of what? |
1000 and 2000 |
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When HCG levels are high but no gestational Sac is seen what may be considered |
Ectopic pregnancy |
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When HCG levels are greater than expected what three things can we suspect |
Incorrect dates, GTD, multiple gestation |
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When HCG levels are less than expected what three things can we suspect |
Incorrect dates, fetal demise, ectopic |
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True or false some ectopic pregnancies will show normal rate of increase and some normal pregnancies will show reduce rate |
True |
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What will the HCG levels be in 3 weeks after menstrual |
35 to 50 |
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What will the HCG levels be in 4 weeks after gestational age |
45 to 426 |
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What will the HCG levels be in 5 weeks after menstruation |
518 to 7340 |
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What will the HCG levels be in 6 days after menstruation |
61080 to 56500 |
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What will the HCG levels be in 7 to 8 weeks after menstration |
7650 to 229,000 |
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What will the HCG levels be in 10 to 12 weeks after menstration |
25700 to 288000 |
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HCG levels can be used as a screening marker for what |
Down syndrome |
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HCG causes uterine endometrium to convert to what? |
Decidua a glycogen Rich mucosa that nourishes early pregnancy |
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Blasto sites begin to implant by the end of what week of your last menstrual period |
Third |
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When the trophoblastic tissue invades what is common to happen |
Vaginal bleeding |
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Trophoblastic has formed primary villi by what week of your last menstrual period |
5 |
