Flow 04 · TTC & Fertility

TTC & Fertility Tracking

For users trying to conceive. Fertile window visualisation, BBT logging, OPK test results, and daily conception tips. Positive OPK shifts ovulation prediction forward by 1 day. Leads to pregnancy mode on positive test.

1
TTC Dashboard
app.flo.health/home
Home
Calendar
Insights
Community
🌿
Trying to Conceive Mode active
SAT
15
SUN
16
MON
17
TUE
18
WED
19
THU
20
FRI
21
Day
18
🌿 Fertile
High chance of pregnancy today
Ovulation
Mar 19
Fertile window
Mar 17–21
🌡️
Log BBT
🔬
Log OPK
❤️
Log sex
TTC dashboard. Teal colour replaces pink. Fertile window prominently highlighted.
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2
BBT Log Entry
app.flo.health/home
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🌡️ Log Basal Body Temperature
Measure first thing in the morning before getting up. Log within 30 min of waking.
36.5
°C · tap to edit
−
36.5
+
°C
°F
Your BBT rises 0.2–0.5°C after ovulation. Flo tracks these shifts to confirm your ovulation day.
Save BBT reading
BBT entry feeds directly into the prediction engine to confirm ovulation timing.
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3
OPK Result Entry
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🔬 Log OPK Test Result
Ovulation Predictor Kit — detects the LH surge that precedes ovulation by 24–36 hours.
Control
Test
Positive = test line as dark or darker than control line
✅
Positive
LH surge detected · Ovulation likely tomorrow
❌
Negative
No LH surge yet · Continue testing daily
A positive result shifts your predicted ovulation to the next day and updates your fertile window.
Save OPK result
Positive OPK → ovulation shifts +1 day. Updates calendar and fertile window immediately.
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4
Updated Predictions
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✓
OPK positive — ovulation updated!
Ovulation shifted to Mar 20 · Window extended
SAT
15
SUN
16
MON
17
TUE ★
18
WED
19
THU
20
FRI
21
🔬 OPK confirmed — peak fertility window
Ovulation
Mar 20
Updated ↑
Best days
18–20
💡 Conception tip for today
LH surge detected — this is your highest-probability window. Intercourse today and tomorrow maximises your chances...
🔒 Full tip + expert guidance — Premium
Period late? → Log pregnancy test →
After positive OPK: ovulation shifts +1 day, peak window highlighted, conception tip surfaced.