Short reads on the genetics, statistics, and folk wisdom behind our calculators. No fluff, no SEO bait — just the actual answers we wished someone had given us.
Hair color · 8 min read
Why your blonde baby's hair is darkening — and what color it'll probably end up Almost every baby with light hair will get darker. Here's what the science actually says about when it stops, and what predicts the final shade.
November 14
Due date · 6 min read
When your due date is wrong (and it's wrong about 95% of the time) Only about 4% of babies arrive on their due date. Here's how the date is actually calculated, why it's so often off, and what "early term" really means.
November 7
Formula · 9 min read
Types of baby formula — what the studies actually show Standard, soy, partially hydrolyzed, extensively hydrolyzed, amino acid. The differences are real, the marketing is louder than the science. Here's the actual evidence.
April 26
Breastfeeding · 10 min read
How long to breastfeed — and how much benefit per month? WHO says two years. AAP says one. The actual research shows benefit per month with diminishing returns. Here's what each additional month of breastfeeding has been shown to do — and what it hasn't.
April 26
Mental health · 8 min read
Birth trauma and postpartum PTSD — what to watch for, where to get help About 4% of birthing parents develop PTSD after delivery — higher when birth involved an emergency or NICU stay. Here's what's normal, what's not, and where the actual help is.
April 26
Eye color · 5 min read
When do baby eyes "decide" their color? Most newborns are born with blue or grey eyes — even those who'll grow up to have brown. Here's the timeline of when melanin actually shows up.
October 28
Surrogacy · 9 min read
A surrogacy in wartime Kyiv: one family's journey A US family completed a surrogacy journey in Kyiv during the war — from a Russian-speaking partner with a family connection, to an emergent delivery, to an embassy-led exit by overnight train. This is what wartime international surrogacy actually looked like.
May 2
IVF · 12 min read
Frozen embryos: the decision IVF doesn't prepare you for IVF clinics talk about success rates, transfer protocols, and storage fees. They rarely talk about what to do with the embryos you don't use. Here's the practical, legal, and emotional shape of a decision most parents end up deferring for years.
May 2
Newborn · 11 min read
Cord blood banking: what the data actually shows Private cord blood banks pitch 'biological insurance' for $1,500–$3,000 plus annual storage. The AAP says don't — unless your family history justifies it. Here's what the cells actually do, what the lifetime-use odds really are, and how the major US banks compare.
May 2
Surrogacy · 14 min read
US surrogacy: what it actually costs, and where it's legal A full agency-led gestational surrogacy journey in the US runs $130,000 to $200,000 and up. Here is exactly what those dollars buy, who they go to, and which states will actually issue you a parentage order.
May 2
Surrogacy · 16 min read
IVF and surrogacy abroad: real cost savings, real risk trade-offs Going abroad for fertility treatment can cut a $130,000 surrogacy bill in half, or a $30,000 IVF cycle to under $10,000. The savings are real. So are the legal, ethical, and exit-logistics problems most agencies don't lead with. Here's the honest landscape.
May 2
Birth · 11 min read
When the delivery goes wrong: one physician couple's story An uneventful first pregnancy, an elective induction at 39 weeks, a stalled labor, suspected chorio, an urgent C-section — and then severe uterine atony, thirteen units of blood products, and an ICU admission. Both parents are physicians. The baby is healthy. The recovery took longer than anyone expected.
May 2
Birth · 14 min read
Birth plans, and what actually goes wrong: the realistic-expectations piece Most birth-prep classes don't have time for the part where the plan stops working. Here's the medical reality of stalled labor, chorio, hemorrhage, and the complications that drive cesareans and ICU admissions — and what a useful birth plan actually looks like.
May 2