All Sources
Complete Reference Library
Every factual claim on MORPHE is traceable to a primary source. This page collects all references organized by topic. Sources verified April 2026.
Embryology & Development
- NCBI StatPearls — Gastrulation: ncbi.nlm.nih.gov/books/NBK554394
- NCBI StatPearls — Weeks 6-8: ncbi.nlm.nih.gov/books/NBK563181
- NCBI StatPearls — Heart Development: ncbi.nlm.nih.gov/books/NBK537313
- NCBI StatPearls — Neural Tube: ncbi.nlm.nih.gov/books/NBK542285
- UNSW Embryology — Heart: embryology.med.unsw.edu.au
- Cleveland Clinic — Fetal Development: clevelandclinic.org
- Mayo Clinic — 2nd Trimester: mayoclinic.org
- Mayo Clinic — 3rd Trimester: mayoclinic.org
- ACOG — How Your Fetus Grows: acog.org
Brain & Neuroscience
- Azevedo et al. (2009) — 86B neurons: J Comp Neurol 513(5):532-541
- Goriely (2025) — Range 61-99B: Brain 148(3):689
- NCBI — 250K neurons/min: Discovering the Brain
- PMC — Neuron production day 42: Basics of Brain Development
- Huttenlocher (1997) — Synaptogenesis: J Comp Neurol 387(2)
- PMC — 40K synapses/sec: Normal Brain Circuits
- PMC — PFC myelination age 25: Adolescent Brain
Bioelectricity & Consciousness
- Levin (2021) — Bioelectric signaling: Cell 184(6)
- Levin (2014) — Bioelectrical networks: J Physiol 592(11)
- Manicka et al. (2023) — Frog brain: iScience 26(12)
- Scientific American — Consciousness: scientificamerican.com
- PMC — Newborn awakening: PMC11976129
Pregnancy Care & Nutrition
- USPSTF (2023) — Folic acid: JAMA
- ACOG — Caffeine: Opinion No. 462
- JAMA Internal Medicine (2025) — Gestational diabetes ~8%: JAMA Intern Med
- ACOG — Early Pregnancy Loss: Practice Bulletin
- PMC — Folic acid 72% reduction: PMC9875360
- NIH ODS — Pregnancy nutrients: ods.od.nih.gov
- PMC — Choline review: PMC10709661
- Oxford Nutrition Reviews (2025) — Iodine deficiency: Nutr Rev
Viability & Prematurity
- Pediatrics (2024) — VON survival 22-25wk: Pediatrics 154(4)
- PMC (2024) — Global meta-analysis: PMC12309206
Fertilization & DNA
- NCBI — Fertilization: Molecular Biology of the Cell
- NCBI StatPearls — Embryology, Fertilization: NBK542186
- Cleveland Clinic — Conception: clevelandclinic.org
Perinatal Mental Health
- PMC — Anxiety disorders in pregnancy (meta-analysis): PMC6839961
- PMC — HG suicidal ideation (n=5,071): PMC9574451
- Imperial College London — PTSD after pregnancy loss: imperial.ac.uk
- PMC — Perinatal OCD: PMC10323687
- Nature Neuroscience (2024) — Brain changes in pregnancy: Nat Neurosci
- NIMH (2024) — CBT reduces PPD by 81%: nimh.nih.gov
- ACOG (2023) — Perinatal mental health screening: Clinical Practice Guideline
- PMC — Barriers to perinatal MH help-seeking: PMC6347898
Fetal Movement & Kick Counting
- ACOG Practice Bulletin 229 — Antepartum Surveillance: PubMed
- NICE NG201 — Antenatal care: nice.org.uk
- Cleveland Clinic — Kick Counts: clevelandclinic.org
- Norman et al. (2018) — AFFIRM trial: Lancet
- Akselsson et al. (2020) — Mindfetalness: BJOG
Labor & Delivery
- ACOG — How to Tell When Labor Begins: acog.org
- ACOG — GBS prevention: Committee Opinion
- StatPearls — Braxton Hicks: NBK470546
- StatPearls — Preterm Labor: NBK536939
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Primary sources from peer-reviewed journals, medical organizations (ACOG, WHO, CDC, AAP, NICE, RCOG), and clinical textbooks. All claims verified April 2026. Monthly re-audit on the 1st of each month. This is an open-source project — verify any claim by clicking the linked source.
Last updated: April 2026