OB Wheel+
iPhone pregnancy wheel for dating and prenatal milestones.
by Andrew YuAdded to the directory Nov 3, 2026For education, not clinical use
About OB Wheel+
Dates a pregnancy from the LMP, a known due date, an IVF transfer (day 3 or 5) or gestational age on a scan. It projects gestational age to any date and lists screenings and vaccines by trimester. Free; an updated version of the developer's Preg Wheel app.
What it does
- Dating from LMP, EDD, IVF transfer or scan
- Gestational age on any future date
- Dating scan, NIPT, NT, anatomy scan, glucose test and GBS milestones
- Tdap, RSV vaccine and Rhogam timing
- Trimester filters
