Knowledge Base
The research.
Simplified. Cited. Updated.
Evidence-based information on health transitions — written for people navigating them, not just providers treating them.
Postpartum Rage — The Symptom Nobody Mentions
Postpartum rage is a recognised PMAD symptom with a neurobiological basis. It is a clinical presentation, not a moral...
Postpartum Relationships — What Changes and Why
Research shows 67% of couples experience declining relationship satisfaction after their first child. Understanding w...
Pelvic Floor Recovery — What the Evidence Supports
Pelvic floor dysfunction after childbirth is common, treatable, and not something to accept as inevitable. Here is wh...
Returning to Work After a Baby — What the Evidence Says
Returning to work after having a baby involves psychological adjustment, legal protections, and practical logistics. ...
Postpartum Physical Recovery Timeline — What to Expect Week by Week
Postpartum physical recovery follows a predictable but often underestimated timeline. Here is what the evidence says ...
Breastfeeding — What the Evidence Actually Says
The evidence on breastfeeding is extensive but often oversimplified. Here is what the research shows about breast mil...
Sleep Deprivation and the Postpartum Brain
Sleep deprivation in the postpartum period is not just exhausting — it measurably impairs cognition, emotional regula...
Postpartum Anxiety — The Condition Nobody Talks About
Postpartum anxiety may be more common than postpartum depression, yet it remains underrecognised and underscreened. H...
Postpartum Depression vs Baby Blues — How to Tell the Difference
Baby blues affect up to 80% of new mothers and resolve within two weeks. Postpartum depression is a clinical conditio...
Diagnosed as an Adult: What a Late ADHD Diagnosis Means and What Comes Next
The emotional reality of a late ADHD diagnosis — grief, relief, identity reconstruction — and what the research shows...
ADHD and Relationships: What the Research Shows About Love, Conflict, and Communication
ADHD affects romantic relationships through specific, identifiable mechanisms. What the evidence shows and what helps.
Exercise and ADHD: What the Evidence Actually Shows About Movement and the Brain
Exercise increases dopamine and norepinephrine in the same circuits that ADHD medication targets. What type, how much...
Emotional Dysregulation and ADHD: The Symptom Nobody Warned You About
Emotional dysregulation is a core feature of ADHD, not a comorbidity. The neuroscience, the evidence, and what helps.
Sleep and ADHD: Why Your Brain Won't Shut Off and What the Research Says
Up to 80% of adults with ADHD have sleep disturbances. The circadian biology behind it and what the evidence says abo...
ADHD Screening Tools: What the ASRS, DIVA, and QbTest Measure
How the main ADHD screening and diagnostic tools work, what they measure, and what their accuracy data actually mean.
Workplace Accommodations for ADHD: Your Rights and What Actually Helps
ADHD workplace rights under the ADA, Equality Act, and EU law, plus evidence-based accommodations and the disclosure ...
ADHD and Hormonal Cycles: Why Symptoms Change Throughout the Month
Oestrogen modulates dopamine in ADHD. How the menstrual cycle, perimenopause, and pregnancy alter symptom severity.
Executive Function and ADHD: What It Actually Means and How to Work With It
What executive function is, how ADHD disrupts it across six domains, and practical strategies backed by evidence.
ADHD Medication: Classes, Mechanisms, and What Your Provider Should Explain
How stimulant and non-stimulant ADHD medications work, what the evidence shows about efficacy, and what to expect dur...
Prenatal Nutrition Beyond Supplements: What the Evidence Says About Food
Supplements fill gaps. Food builds the foundation. Here is what the research says about the specific foods, patterns,...
Postpartum Recovery: What the Research Says About What Comes After
Pelvic floor muscles stretch to 250% of their resting length during delivery. Recovery is maximised by four to six mo...
Warning Signs in Pregnancy: When to Call Your Provider
Some pregnancy symptoms are normal. Some require an immediate call to your provider. Some require an emergency depart...
Workplace Rights During Pregnancy: What You Are Legally Entitled To
Pregnancy discrimination is illegal in most countries, but protections vary enormously. Here is what the law actually...
Sleep Position in Pregnancy: What the Research Actually Shows
After 28 weeks, going to sleep on your back is associated with increased stillbirth risk. But left and right are equa...
Birth Planning with Evidence: What Actually Matters
Most birth plan templates focus on atmosphere. The decisions that actually affect outcomes are clinical ones — and yo...
Gestational Diabetes: What Happens at Screening and What Comes After
Gestational diabetes affects up to 11.5% of pregnancies depending on how it is tested. Here is what happens at screen...
Mental Health Screening in Pregnancy: What Your Provider Should Be Doing
ACOG recommends screening for depression and anxiety at the initial prenatal visit, later in pregnancy, and postpartu...
Omega-3 in Pregnancy: The Evidence for Preventing Preterm Birth
A 2018 Cochrane Review of nearly 20,000 women found omega-3 supplementation reduced early preterm birth by 42%. Here ...
Prenatal Vitamins: What the Evidence Actually Says
Most prenatal vitamins are missing at least one nutrient your pregnancy needs. Here is what the clinical evidence say...
The research, built into a tool.
Every THRESHOLD planner is built from the same evidence base. The knowledge base explains the research. The planner puts it to work.