The Irish Soft-Coated Terrier will enter its first estrus 8-10 months after birth. Female Irish Soft-Coated Terrier dogs will have obvious signs of being pregnant when they are in heat. Male Irish Soft-Coated Terrier dogs will have signs of riding when they are in heat. The performance of cross; the oestrus time of female Irish soft-coated terriers is between March-May and September-November every year, with an average of two oestruses per year; the oestrus of male Irish soft-coated terriers has no fixed time, and they will change at any time. The female dog is in heat due to her heat.