We had a hen go broody outside the coop and run. We allowed her to hatch out her brood, and took all but two chicks, her first brood, we wanted to make sure she would be a good mother, plus we have enough chicks in our back yard. We built a makeshift run and coop around her to keep her safe from the local predators. Now it seems like she is wanting to get back to the flock and the chicks keep finding a way out of the fencing. What is the best way to introduce the hen and her brood to the flock and coop with the least chance of a bad outcome. Chicks are just over a month old and are a mix breed. Broody hen was a buff, chicks are Americana / Astrolorps mix. I would like to add the flock has had daily contact with the mother and chicks threw a fence since hatching. The flock seems very interested in them and has never had any squabbles or bad interactions between mother and flock.