Due in March 2027: when did I conceive?
If your baby is due in March 2027, you most likely conceived between June 8, 2026 and July 8, 2026. Find your due date in the table.
Conception date for every due date in March 2027
| Due date | Conceived | Last period started |
|---|---|---|
| Mar 1 | Jun 8, 2026 | May 25, 2026 |
| Mar 2 | Jun 9, 2026 | May 26, 2026 |
| Mar 3 | Jun 10, 2026 | May 27, 2026 |
| Mar 4 | Jun 11, 2026 | May 28, 2026 |
| Mar 5 | Jun 12, 2026 | May 29, 2026 |
| Mar 6 | Jun 13, 2026 | May 30, 2026 |
| Mar 7 | Jun 14, 2026 | May 31, 2026 |
| Mar 8 | Jun 15, 2026 | Jun 1, 2026 |
| Mar 9 | Jun 16, 2026 | Jun 2, 2026 |
| Mar 10 | Jun 17, 2026 | Jun 3, 2026 |
| Mar 11 | Jun 18, 2026 | Jun 4, 2026 |
| Mar 12 | Jun 19, 2026 | Jun 5, 2026 |
| Mar 13 | Jun 20, 2026 | Jun 6, 2026 |
| Mar 14 | Jun 21, 2026 | Jun 7, 2026 |
| Mar 15 | Jun 22, 2026 | Jun 8, 2026 |
| Mar 16 | Jun 23, 2026 | Jun 9, 2026 |
| Mar 17 | Jun 24, 2026 | Jun 10, 2026 |
| Mar 18 | Jun 25, 2026 | Jun 11, 2026 |
| Mar 19 | Jun 26, 2026 | Jun 12, 2026 |
| Mar 20 | Jun 27, 2026 | Jun 13, 2026 |
| Mar 21 | Jun 28, 2026 | Jun 14, 2026 |
| Mar 22 | Jun 29, 2026 | Jun 15, 2026 |
| Mar 23 | Jun 30, 2026 | Jun 16, 2026 |
| Mar 24 | Jul 1, 2026 | Jun 17, 2026 |
| Mar 25 | Jul 2, 2026 | Jun 18, 2026 |
| Mar 26 | Jul 3, 2026 | Jun 19, 2026 |
| Mar 27 | Jul 4, 2026 | Jun 20, 2026 |
| Mar 28 | Jul 5, 2026 | Jun 21, 2026 |
| Mar 29 | Jul 6, 2026 | Jun 22, 2026 |
| Mar 30 | Jul 7, 2026 | Jun 23, 2026 |
| Mar 31 | Jul 8, 2026 | Jun 24, 2026 |
These are estimates: conception usually happens around ovulation, and babies arrive at different times. An early ultrasound gives the most accurate dates.
Key dates for a pregnancy from the middle of March 2027
- Nuchal translucency (NT) scan window: Aug 25 – Sep 14, 2026
- Anatomy scan window: Oct 13 – Nov 16, 2026
- Third trimester begins: Dec 22, 2026
- Full term: Mar 9 – 22, 2027
About March 2027
Babies due in March 2027 were mostly conceived in summer in the northern half of the world (winter in the southern half).
Questions about a March 2027 due date
If I’m due in March 2027, when did I conceive?
Most likely between June 8, 2026 and July 8, 2026, about 38 weeks (266 days) before each due date. Find your due date in the table above to see your day (ACOG).
When did my last period start if I’m due in March 2027?
About 280 days (40 weeks) before the due date: between May 25, 2026 and June 24, 2026. For example, a due date of March 16, 2027 means the last period started around June 9, 2026 (ACOG).
If I’m due on March 16, 2027, did I conceive on June 23, 2026?
Not always on that exact day. Conception usually happens around ovulation, and ovulation can come earlier or later in a cycle. An early ultrasound gives the most accurate dates, so ask your midwife or doctor (ACOG).