That would be unusual - a mare will usually start to 'bag up' or have an increase in the size of her udder due to milk production a week or two prior to giving birth. However, 11 months of gestation is an average, and some mares routinely give birth at 10.5 months so you may not be as far from delivery as you previously thought.
Early development of the udder can be a sign of issues with the pregnancy. Make sure the mare has no discolored discharge from the vulva and consider contacting
a veterinarian. If there is an issue a course of antibiotics and anti-inflammatory therapy may be required for a successful out come.
This can vary in breeds. It can be a week before the birth, just after the milk bag waxes. It can be the day of the birth. Milk is produced about 24 to48 hours after birth. The milk bag will produce colostrum first. This is vital to the foal. It contains antibodies the foal needs for fighting off diseases.
Mares' reproductive potential generally starts to decline after age 15. Mares over 20 can start to experience irregular estrous cycles and mares over 25 may stop cycling altogether. As mares get older, they start cycling later in the season than younger mares and cycles may be a few days longer because the follicles take longer to mature.
I would start it out by telling them about your birth.
The Mares(the mom) are able to get up right after birth, if no complications. The foals range anywhere from 45 minutes to 120 minutes sometimes longer..depends if he/she came on time or was a preemie baby.
Your dog can start to lactate a week before birth, although you may not see it at first, but you can when its closer to birth.
All dogs start breathing harder just before they give birth.
Some start up to 3 or 4 weeks before the birth, others don't until after the birth. Most do sometime during the week before the birth.
This will start to come a day or 2 before the birth.
Second cousins are as close as you can get before birth defects start appearing.
Before a horse gives complete birth, she (the mare) will start to have very strong contractions, strong enough contractions to break a man's arm. Then they give birth.
Normally you would start the birth control patch on the day you were scheduled to start the next pack of pills.