I have spent years publicly tracking my health in more detail than any woman on the planet. Now I am turning my pregnancy into the most measured individual pregnancy ever publicly documented, and sharing the data here, free, so any woman can learn from it. Conceived naturally in September 2026.
Pregnant women are among the most excluded groups in medical research. Standard prenatal care relies on a short list of routine screening tests, checked a handful of times. This project measures 26 of the 31 systems in my longevity protocol, everything that can be safely measured in pregnancy.
The first blood work after a positive test. Both numbers are right where a healthy early pregnancy should be.
The pregnancy hormone. In early pregnancy it roughly doubles every 48 to 72 hours, so a repeat draw comes next to confirm the rise.
Strong, in the upper part of the first-trimester range. For context, my follicular-phase level in June was 0.4 and my luteal level in September was 12.7.
Daily first-morning readings of progesterone and estrogen metabolites are rising, as expected in early pregnancy. Day-to-day swings mostly reflect hydration, so I read the trend, not single days.
My first full week of measured pregnancy, compared with my own pre-pregnancy baseline from this summer.
Blood sugar stayed 97.7% in range with no lows, the same as before pregnancy, and drifted down across the week. That fits early pregnancy, when insulin sensitivity rises. The first two days were the sensor's first days, when CGMs often read a little high, so they are shown lighter.
| Baseline week | Week 1 | |
|---|---|---|
| Per day | 2.4 | 4.6 |
| Healthy | 53% | 47% |
| Firm | 6% | 34% |
A firm stool every day from Oct 1, the day after my progesterone came back at 39.6. Progesterone slows the gut, one of the most common early pregnancy changes. Oct 6 is a partial day.
Cortisol should peak shortly after waking and fall to its lowest point by evening. The slope between the two readings is the signal, not either number alone.
Next: from mid-October, these numbers become my true pregnancy baseline to track week by week. Temperature, HRV and resting heart rate for the same week are in the Oura charts below.
Continuous data from my last period onward, refreshed every morning. Latest night: Oct 3.
Temperature dropped with my period on Aug 29, then rose on Sep 16 once progesterone took over after ovulation. In a typical cycle it falls again about two weeks later. This time it stayed up and kept climbing, peaking at +0.38 °C on Oct 1. That sustained rise is one of the earliest signs of pregnancy you can see from a wearable.
Blood volume starts expanding within weeks of conception, and the heart works a little harder to move it. Resting heart rate has drifted up and HRV has eased down. This is expected physiology, and I will track how far it goes across each trimester and how quickly it returns after birth.
A full snapshot from the weeks before conception. Every change across the next nine months gets measured against this starting line.
Lipids from my Jul 7 draw, now my pre-pregnancy baseline.
Well stocked going in. Iron and folate needs climb steeply in pregnancy.
One of the big questions: does pregnancy move these numbers, and how fast do they return?
The standard prenatal timeline plus the extra checkpoints in this protocol. The highlighted row is what comes next.
Layered testing, from continuous sensors to once-a-pregnancy deep panels.
All planned tests, grouped from standard care to research frontier. Status updates as results come in.
| Test | When | Lab or tool | Status |
|---|
How testing, food, and movement fit into one day in the first trimester. Shared for transparency, not as a recommendation.
The Female Longevity Protocol™, the first protocol library built specifically for female biology, by Kayla Barnes-Lentz.