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Pregnancy Tests & Labs · 100 Questions

Pregnancy Tests & Labs
100 Questions

Blood tests, urine tests, cultures, genetic screens, and more — the 100 most important lab questions in pregnancy. Click any button to open Claude or ChatGPT with the question pre-loaded, tailored for patients or clinicians.

Developed by Amos Grünebaum, MD · Maternal-Fetal Medicine
Important: AI may occasionally generate inaccurate citations. Always verify references independently before clinical use. This tool instructs the AI to cite only peer-reviewed journals or major guidelines (ACOG, SMFM, CDC, NIH, WHO).
1
Routine First Prenatal Blood Tests
10 questions
1
What does a complete blood count measure in early pregnancy and what is normal?
Patient Claude GPT
Clinician Claude GPT
2
What is blood type and Rh factor testing and why is it critical in pregnancy?
Patient Claude GPT
Clinician Claude GPT
3
What is an antibody screen in pregnancy and what does a positive result mean?
Patient Claude GPT
Clinician Claude GPT
4
What is rubella immunity testing and what happens if a patient is not immune?
Patient Claude GPT
Clinician Claude GPT
5
What is varicella immunity testing and what is done if immunity is absent?
Patient Claude GPT
Clinician Claude GPT
6
What is hepatitis B surface antigen testing and what does a positive result mean?
Patient Claude GPT
Clinician Claude GPT
7
What is HIV testing in pregnancy and when should it be repeated?
Patient Claude GPT
Clinician Claude GPT
8
What is syphilis testing in pregnancy and what test is used?
Patient Claude GPT
Clinician Claude GPT
9
What is gonorrhea and chlamydia testing in pregnancy and when is it repeated?
Patient Claude GPT
Clinician Claude GPT
10
What is a urine culture at the first prenatal visit and why is it done even without symptoms?
Patient Claude GPT
Clinician Claude GPT
2
Thyroid and Endocrine Tests
10 questions
11
What is TSH testing in pregnancy and what is a normal range in the first trimester?
Patient Claude GPT
Clinician Claude GPT
12
What is the difference between subclinical and overt hypothyroidism in pregnancy?
Patient Claude GPT
Clinician Claude GPT
13
When should free T4 be checked in addition to TSH in pregnancy?
Patient Claude GPT
Clinician Claude GPT
14
What is Graves disease in pregnancy and how is it monitored with lab tests?
Patient Claude GPT
Clinician Claude GPT
15
What is thyroid peroxidase antibody testing and when is it relevant in pregnancy?
Patient Claude GPT
Clinician Claude GPT
16
What is a 1-hour glucose challenge test and what is the threshold for abnormal?
Patient Claude GPT
Clinician Claude GPT
17
What is a 3-hour glucose tolerance test and what are the diagnostic criteria for GDM?
Patient Claude GPT
Clinician Claude GPT
18
What is the difference between the Carpenter-Coustan and NDDG criteria for GDM?
Patient Claude GPT
Clinician Claude GPT
19
What is HbA1c in pregnancy and when is it used?
Patient Claude GPT
Clinician Claude GPT
20
What is a fasting glucose test and when is it used instead of the glucose challenge?
Patient Claude GPT
Clinician Claude GPT
3
Anemia and Iron Studies
10 questions
21
What hemoglobin level defines anemia in pregnancy by trimester?
Patient Claude GPT
Clinician Claude GPT
22
What is a serum ferritin and why is it the best test for iron deficiency in pregnancy?
Patient Claude GPT
Clinician Claude GPT
23
What is a serum iron and TIBC and when are they used in pregnancy?
Patient Claude GPT
Clinician Claude GPT
24
What is the difference between iron deficiency anemia and anemia of pregnancy?
Patient Claude GPT
Clinician Claude GPT
25
What is a peripheral blood smear and when is it ordered in pregnancy?
Patient Claude GPT
Clinician Claude GPT
26
What is a reticulocyte count and what does it tell us about anemia in pregnancy?
Patient Claude GPT
Clinician Claude GPT
27
What is hemoglobin electrophoresis and who should be screened in pregnancy?
Patient Claude GPT
Clinician Claude GPT
28
What is sickle cell trait versus sickle cell disease and how does it affect pregnancy?
Patient Claude GPT
Clinician Claude GPT
29
What is thalassemia screening in pregnancy and who needs it?
Patient Claude GPT
Clinician Claude GPT
30
What is G6PD deficiency and why is it relevant in pregnancy?
Patient Claude GPT
Clinician Claude GPT
4
Infectious Disease Screening
10 questions
31
What is the hepatitis C antibody test and who should be screened in pregnancy?
Patient Claude GPT
Clinician Claude GPT
32
What is cytomegalovirus serology in pregnancy and when is it ordered?
Patient Claude GPT
Clinician Claude GPT
33
What is toxoplasma IgG and IgM and when is testing indicated?
Patient Claude GPT
Clinician Claude GPT
34
What is parvovirus B19 serology and when should it be checked?
Patient Claude GPT
Clinician Claude GPT
35
What is Zika virus testing and when is it recommended?
Patient Claude GPT
Clinician Claude GPT
36
What is a wet prep and when is it used in pregnancy?
Patient Claude GPT
Clinician Claude GPT
37
What is a vaginal culture for Group B Streptococcus and when is it performed?
Patient Claude GPT
Clinician Claude GPT
38
What is bacterial vaginosis diagnosis in pregnancy and what tests confirm it?
Patient Claude GPT
Clinician Claude GPT
39
What is a trichomoniasis test in pregnancy and how is it diagnosed?
Patient Claude GPT
Clinician Claude GPT
40
What is herpes simplex virus serology and when is it ordered in pregnancy?
Patient Claude GPT
Clinician Claude GPT
5
Urine Tests in Pregnancy
10 questions
41
What is a urinalysis in pregnancy and what findings are abnormal?
Patient Claude GPT
Clinician Claude GPT
42
What is a urine culture and sensitivity and when is it indicated?
Patient Claude GPT
Clinician Claude GPT
43
What is asymptomatic bacteriuria and why must it be treated in pregnancy?
Patient Claude GPT
Clinician Claude GPT
44
What is proteinuria in pregnancy and how is it quantified?
Patient Claude GPT
Clinician Claude GPT
45
What is a urine protein-to-creatinine ratio and when is it used?
Patient Claude GPT
Clinician Claude GPT
46
What is a 24-hour urine protein collection and when is it still indicated?
Patient Claude GPT
Clinician Claude GPT
47
What is glucosuria in pregnancy and when is it concerning?
Patient Claude GPT
Clinician Claude GPT
48
What is a urine drug screen in pregnancy and what is the standard of care?
Patient Claude GPT
Clinician Claude GPT
49
What is hematuria in pregnancy and how is it evaluated?
Patient Claude GPT
Clinician Claude GPT
50
What is leukocyte esterase and nitrites on urine dipstick and what do they indicate?
Patient Claude GPT
Clinician Claude GPT
6
Preeclampsia and Hypertension Labs
10 questions
51
What labs are ordered when preeclampsia is suspected?
Patient Claude GPT
Clinician Claude GPT
52
What is a platelet count in preeclampsia and at what level is it concerning?
Patient Claude GPT
Clinician Claude GPT
53
What are liver enzymes in preeclampsia and what elevation is significant?
Patient Claude GPT
Clinician Claude GPT
54
What is serum creatinine in preeclampsia and what level indicates severe disease?
Patient Claude GPT
Clinician Claude GPT
55
What is LDH in HELLP syndrome and what level is diagnostic?
Patient Claude GPT
Clinician Claude GPT
56
What is a peripheral smear finding in HELLP syndrome?
Patient Claude GPT
Clinician Claude GPT
57
What is serum uric acid in preeclampsia and is it useful clinically?
Patient Claude GPT
Clinician Claude GPT
58
What is the PlGF test and what is its role in preeclampsia prediction?
Patient Claude GPT
Clinician Claude GPT
59
What is the sFlt-1 to PlGF ratio and what does it predict?
Patient Claude GPT
Clinician Claude GPT
60
What labs indicate imminent delivery in severe HELLP syndrome?
Patient Claude GPT
Clinician Claude GPT
7
Genetic and Carrier Screening Tests
10 questions
61
What is cystic fibrosis carrier screening and who should be offered it?
Patient Claude GPT
Clinician Claude GPT
62
What is spinal muscular atrophy carrier screening and what does a positive result mean?
Patient Claude GPT
Clinician Claude GPT
63
What is fragile X premutation carrier testing and when is it indicated?
Patient Claude GPT
Clinician Claude GPT
64
What is expanded carrier screening and what conditions does it cover?
Patient Claude GPT
Clinician Claude GPT
65
What is cell-free fetal DNA in maternal blood and what does it screen for?
Patient Claude GPT
Clinician Claude GPT
66
What is a positive cell-free DNA result and what are the next steps?
Patient Claude GPT
Clinician Claude GPT
67
What is a failed or no-result cell-free DNA test and what should be done?
Patient Claude GPT
Clinician Claude GPT
68
What is PAPP-A and what does a low level predict beyond Down syndrome?
Patient Claude GPT
Clinician Claude GPT
69
What is inhibin A in the quad screen and what does an elevated level indicate?
Patient Claude GPT
Clinician Claude GPT
70
What is unconjugated estriol in the quad screen and what does a low level mean?
Patient Claude GPT
Clinician Claude GPT
8
Coagulation and Autoimmune Tests
10 questions
71
What is antiphospholipid antibody testing and when is it ordered in pregnancy?
Patient Claude GPT
Clinician Claude GPT
72
What is lupus anticoagulant and how is it tested?
Patient Claude GPT
Clinician Claude GPT
73
What is anticardiolipin antibody and what titer level is clinically significant?
Patient Claude GPT
Clinician Claude GPT
74
What is anti-beta-2 glycoprotein I antibody and when is it tested?
Patient Claude GPT
Clinician Claude GPT
75
What is a thrombophilia panel in pregnancy and who should be screened?
Patient Claude GPT
Clinician Claude GPT
76
What is Factor V Leiden and how does it affect pregnancy?
Patient Claude GPT
Clinician Claude GPT
77
What is prothrombin gene mutation and what is its risk in pregnancy?
Patient Claude GPT
Clinician Claude GPT
78
What is MTHFR mutation testing and is it clinically useful in pregnancy?
Patient Claude GPT
Clinician Claude GPT
79
What is protein C and protein S testing and when is it indicated?
Patient Claude GPT
Clinician Claude GPT
80
What is antithrombin III deficiency and how does it affect pregnancy management?
Patient Claude GPT
Clinician Claude GPT
9
Third Trimester and Antepartum Tests
10 questions
81
What is repeat hemoglobin or hematocrit testing in the third trimester?
Patient Claude GPT
Clinician Claude GPT
82
What is repeat syphilis testing in the third trimester and who needs it?
Patient Claude GPT
Clinician Claude GPT
83
What is repeat HIV testing in the third trimester and who should be retested?
Patient Claude GPT
Clinician Claude GPT
84
What is repeat gonorrhea and chlamydia testing and when is it recommended?
Patient Claude GPT
Clinician Claude GPT
85
What is Group B Strep culture at 35 to 37 weeks and what does a positive result mean?
Patient Claude GPT
Clinician Claude GPT
86
What is repeat hepatitis B testing in the third trimester and who needs it?
Patient Claude GPT
Clinician Claude GPT
87
What is a nonstress test and what lab values support or replace it?
Patient Claude GPT
Clinician Claude GPT
88
What is a biophysical profile and how do labs complement it?
Patient Claude GPT
Clinician Claude GPT
89
What is cord blood gas analysis at delivery and what values indicate acidosis?
Patient Claude GPT
Clinician Claude GPT
90
What is a Kleihauer-Betke test and when is it ordered postpartum?
Patient Claude GPT
Clinician Claude GPT
10
Postpartum and Newborn Labs
10 questions
91
What is a postpartum hemoglobin check and when is it indicated?
Patient Claude GPT
Clinician Claude GPT
92
What is Rh immunoglobulin indication and what test determines the dose needed?
Patient Claude GPT
Clinician Claude GPT
93
What is a rubella titer postpartum and what is done if immunity is absent?
Patient Claude GPT
Clinician Claude GPT
94
What is a postpartum thyroid function test and who should have one?
Patient Claude GPT
Clinician Claude GPT
95
What is a postpartum glucose tolerance test after gestational diabetes?
Patient Claude GPT
Clinician Claude GPT
96
What is newborn blood spot screening and what conditions does it test for?
Patient Claude GPT
Clinician Claude GPT
97
What is a newborn bilirubin level and when is treatment indicated?
Patient Claude GPT
Clinician Claude GPT
98
What is a newborn complete blood count and when is it ordered?
Patient Claude GPT
Clinician Claude GPT
99
What is a newborn blood culture and when is it indicated?
Patient Claude GPT
Clinician Claude GPT
100
What is a cord blood banking and what is the evidence for its clinical utility?
Patient Claude GPT
Clinician Claude GPT