Animal Gestation worksheet

1. Expected due date: Saturday, Dec 14, 2024

1. A typical rabbit (doe) pregnancy lasts about 31 days from breeding, so add 31 days to the breeding date

   $\text{Nov 13, 2024}\text{+}31\text{\hspace{0.17em}days}$$=\text{Saturday, Dec 14, 2024}$

2. Normal births usually fall between day 28 and day 35, so add those to the breeding date for the window

   $\text{Dec 11, 2024 (day 28) to Dec 18, 2024 (day 35)}$

3. Count the days from breeding to the date you chose, to see how far along she is

   $\text{Feb 6, 2026}\text{−}\text{Nov 13, 2024}$$=450\text{\hspace{0.17em}days}$

4. Find how far along the pregnancy is: the days since breeding as a percent of a typical pregnancy

   $\frac{450}{31}\times 100$$=\mathrm{1,451.61}\text{\hspace{0.17em}\%}$

2. Expected due date: Sunday, Feb 28, 2027

1. A typical cat (queen) pregnancy lasts about 64 days from breeding, so add 64 days to the breeding date

   $\text{Dec 26, 2026}\text{+}64\text{\hspace{0.17em}days}$$=\text{Sunday, Feb 28, 2027}$

2. Normal births usually fall between day 58 and day 67, so add those to the breeding date for the window

   $\text{Feb 22, 2027 (day 58) to Mar 3, 2027 (day 67)}$

3. Count the days from breeding to the date you chose, to see how far along she is

   $\text{Jul 24, 2025}\text{−}\text{Dec 26, 2026}$$=\mathrm{-520}\text{\hspace{0.17em}days}$

3. Expected due date: Saturday, Oct 3, 2026

1. A typical pig (sow) pregnancy lasts about 114 days from breeding, so add 114 days to the breeding date

   $\text{Jun 11, 2026}\text{+}114\text{\hspace{0.17em}days}$$=\text{Saturday, Oct 3, 2026}$

2. Normal births usually fall between day 111 and day 117, so add those to the breeding date for the window

   $\text{Sep 30, 2026 (day 111) to Oct 6, 2026 (day 117)}$

3. Count the days from breeding to the date you chose, to see how far along she is

   $\text{Nov 17, 2025}\text{−}\text{Jun 11, 2026}$$=\mathrm{-206}\text{\hspace{0.17em}days}$

4. Expected due date: Tuesday, Jan 13, 2026

1. A typical cat (queen) pregnancy lasts about 64 days from breeding, so add 64 days to the breeding date

   $\text{Nov 10, 2025}\text{+}64\text{\hspace{0.17em}days}$$=\text{Tuesday, Jan 13, 2026}$

2. Normal births usually fall between day 58 and day 67, so add those to the breeding date for the window

   $\text{Jan 7, 2026 (day 58) to Jan 16, 2026 (day 67)}$

3. Count the days from breeding to the date you chose, to see how far along she is

   $\text{Jan 6, 2026}\text{−}\text{Nov 10, 2025}$$=57\text{\hspace{0.17em}days}$

4. Find how far along the pregnancy is: the days since breeding as a percent of a typical pregnancy

   $\frac{57}{64}\times 100$$=89.06\text{\hspace{0.17em}\%}$

5. Expected due date: Saturday, Sep 5, 2026

1. A typical horse (mare) pregnancy lasts about 340 days from breeding, so add 340 days to the breeding date

   $\text{Sep 30, 2025}\text{+}340\text{\hspace{0.17em}days}$$=\text{Saturday, Sep 5, 2026}$

2. Normal births usually fall between day 320 and day 370, so add those to the breeding date for the window

   $\text{Aug 16, 2026 (day 320) to Oct 5, 2026 (day 370)}$

3. Count the days from breeding to the date you chose, to see how far along she is

   $\text{Jun 27, 2025}\text{−}\text{Sep 30, 2025}$$=\mathrm{-95}\text{\hspace{0.17em}days}$

6. Expected due date: Thursday, Nov 12, 2026

1. A typical horse (mare) pregnancy lasts about 340 days from breeding, so add 340 days to the breeding date

   $\text{Dec 7, 2025}\text{+}340\text{\hspace{0.17em}days}$$=\text{Thursday, Nov 12, 2026}$

2. Normal births usually fall between day 320 and day 370, so add those to the breeding date for the window

   $\text{Oct 23, 2026 (day 320) to Dec 12, 2026 (day 370)}$

3. Count the days from breeding to the date you chose, to see how far along she is

   $\text{Feb 3, 2025}\text{−}\text{Dec 7, 2025}$$=\mathrm{-307}\text{\hspace{0.17em}days}$

7. Expected due date: Saturday, Dec 12, 2026

1. A typical sheep (ewe) pregnancy lasts about 147 days from breeding, so add 147 days to the breeding date

   $\text{Jul 18, 2026}\text{+}147\text{\hspace{0.17em}days}$$=\text{Saturday, Dec 12, 2026}$

2. Normal births usually fall between day 142 and day 152, so add those to the breeding date for the window

   $\text{Dec 7, 2026 (day 142) to Dec 17, 2026 (day 152)}$

3. Count the days from breeding to the date you chose, to see how far along she is

   $\text{Jul 28, 2025}\text{−}\text{Jul 18, 2026}$$=\mathrm{-355}\text{\hspace{0.17em}days}$

8. Expected due date: Thursday, Nov 20, 2025

1. A typical horse (mare) pregnancy lasts about 340 days from breeding, so add 340 days to the breeding date

   $\text{Dec 15, 2024}\text{+}340\text{\hspace{0.17em}days}$$=\text{Thursday, Nov 20, 2025}$

2. Normal births usually fall between day 320 and day 370, so add those to the breeding date for the window

   $\text{Oct 31, 2025 (day 320) to Dec 20, 2025 (day 370)}$

3. Count the days from breeding to the date you chose, to see how far along she is

   $\text{Nov 18, 2025}\text{−}\text{Dec 15, 2024}$$=338\text{\hspace{0.17em}days}$

4. Find how far along the pregnancy is: the days since breeding as a percent of a typical pregnancy

   $\frac{338}{340}\times 100$$=99.41\text{\hspace{0.17em}\%}$

9. Expected due date: Friday, Dec 4, 2026

1. A typical pig (sow) pregnancy lasts about 114 days from breeding, so add 114 days to the breeding date

   $\text{Aug 12, 2026}\text{+}114\text{\hspace{0.17em}days}$$=\text{Friday, Dec 4, 2026}$

2. Normal births usually fall between day 111 and day 117, so add those to the breeding date for the window

   $\text{Dec 1, 2026 (day 111) to Dec 7, 2026 (day 117)}$

3. Count the days from breeding to the date you chose, to see how far along she is

   $\text{Aug 4, 2025}\text{−}\text{Aug 12, 2026}$$=\mathrm{-373}\text{\hspace{0.17em}days}$

10. Expected due date: Sunday, Mar 28, 2027

1. A typical horse (mare) pregnancy lasts about 340 days from breeding, so add 340 days to the breeding date

   $\text{Apr 22, 2026}\text{+}340\text{\hspace{0.17em}days}$$=\text{Sunday, Mar 28, 2027}$

2. Normal births usually fall between day 320 and day 370, so add those to the breeding date for the window

   $\text{Mar 8, 2027 (day 320) to Apr 27, 2027 (day 370)}$

3. Count the days from breeding to the date you chose, to see how far along she is

   $\text{Feb 21, 2026}\text{−}\text{Apr 22, 2026}$$=\mathrm{-60}\text{\hspace{0.17em}days}$