How do pregnancy-related metabolic changes affect caffeine half-life, and what do recent obstetric studies suggest for safe consumption limits?
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The searches the AI actually ran for this prompt.
SEED QUERY
How do pregnancy-related metabolic changes affect caffeine half-life, and what do recent obstetric studies suggest for safe consumption limits?
3 real searches · 1 real-search pass
pregnancy caffeine pharmacokinetics half-life CYP1A2 trimester study review 2023 2024 obstetricGoogle ↗
OBSERVEDReason
ACOG caffeine pregnancy 200 mg per day committee opinion caffeine pregnancy currentGoogle ↗
OBSERVEDReason
2024 2025 pregnancy caffeine consumption obstetric study 200 mg fetal growth miscarriage reviewGoogle ↗
OBSERVEDReason
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
ChatGPT real searches (3)
Classes come from the query-classifier (a local Laya model). 3 of 3 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT3 real searches · gpt-6
pregnancy caffeine pharmacokinetics half-life CYP1A2 trimester study review 2023 2024 obstetric Google ↗
ACOG caffeine pregnancy 200 mg per day committee opinion caffeine pregnancy current Google ↗
2024 2025 pregnancy caffeine consumption obstetric study 200 mg fetal growth miscarriage review Google ↗
- Pregnancy-induced changes in the pharmacokinetics of caffeine and its metabolites · pubmed.ncbi.nlm.nih.gov
- Physiologic Changes During Pregnancy and Impact on Small‐Molecule Drugs, Biologic (Monoclonal Antibody) Disposition, and Response - Eke - 2023 - The Journal of Clinical Pharmacology · accp1.onlinelibrary.wiley.com
- Pregnancy and Caffeine Metabolism: Updated Insights and Implications for Maternal–Fetal Health · pmc.ncbi.nlm.nih.gov
- Maternal caffeine intake during pregnancy and the risk of delivering a small for gestational age baby: Kuopio Birth Cohort | Archives of Gynecology and Obstetrics · link.springer.com
- How much coffee can I drink while I'm pregnant? · acog.org
- Restricting caffeine intake during pregnancy · who.int
- Evidence and recommendations - WHO Recommendations on Antenatal Care for a Positive Pregnancy Experience · ncbi.nlm.nih.gov
- The Fetal Effect of Maternal Caffeine Consumption During Pregnancy—A Review · pmc.ncbi.nlm.nih.gov
- Dietary Supplements and Life Stages: Pregnancy · ods.od.nih.gov
- Caffeine - MotherToBaby · ncbi.nlm.nih.gov
- Periconceptual Caffeine Intake and Adverse Pregnancy Outcomes: Results From the nuMoM2b Cohort. · pubmed.ncbi.nlm.nih.gov
- Caffeine - Drugs and Lactation Database (LactMed®) · ncbi.nlm.nih.gov
Queries
3 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
pregnancy caffeine pharmacokinetics half-life CYP1A2 trimester study review 2023 2024 obstetric OBSERVED | Google ↗ AI Mode ↗ | — | Reason | — | — | 1x of 1 | |
ACOG caffeine pregnancy 200 mg per day committee opinion caffeine pregnancy current OBSERVED | Google ↗ AI Mode ↗ | — | Reason | — | — | 1x of 1 | |
2024 2025 pregnancy caffeine consumption obstetric study 200 mg fetal growth miscarriage review OBSERVED | Google ↗ AI Mode ↗ | — | Reason | — | — | 1x of 1 |