the Messenger of Allah passed by a woman when she was in her seclusion and had a child with her. She said: "Is there Hajj for this one?'' He said: "Yes, and you will be rewarded.''(sahih)
Sunan an-Nasa'i Book 24, Hadith 31
← Previous Hadith "The Messenger of Allah set out and when he was in Ar-Rawha he met some people and said: 'Who are you?' They said: 'Muslins.' They said: 'Who are you?' They said: 'The Messenger of Allah.' A woman brought a child out of the litter and said: 'Is there Hajj for this one?' He said" "Yes, and you will be rewarded.'''(Shih)

Sunan an-Nasa'i Book 24, Hadith 30 Next Hadith → "We went out with the Messenger of Allah when there were five days left of Dhul-Qa'dah, with no intention other than to perform Hajj. When we were close to Makkah, the Messenger of Allah commanded those who did not have a Hadi (sacrificial animal) with them to exit Ihram after circumambulating the House.''

Sunan an-Nasa'i Book 24, Hadith 32