Can a woman deliver the Adhan and Iqamah in the ears of a newborn baby?
In the Name of Allah, the Most Gracious, the Most Merciful.
As-salāmu ‘alaykum wa-rahmatullāhi wa-barakātuh.
It is permissible for a woman (in the absence of men) to deliver the Adhan and the Iqamah in the ears of a newborn baby. 
And Allah Ta’āla Knows Best.
Mufti Mubasshir Ahmed
4 Sha’bān 1441 / 29 March 2020
Concurred by: Mufti Chakil Omarjee
Approved by: Mufti Tahir Wadee| Mufti Yusuf Ilolvi
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ووجهه أن الأذان ذكر والجنب والمحدث لا يمنعان من ذكر الله تعالى
[Al-Mabsūt – al-Sarakhsi (d.ca.490ah), 1/275, DKI]
قال: (ولا بأس) لحائض وجنب (بقراءة أدعية ومسها وحملها وذكر الله تعالى، وتسبيح)
[Al-Durr al-Mukhtār – al-Haskafi (d.1088ah), 2/275, Farfur]
وحكم النفاس حكم الحيض في كل شيء
[Al-Durr al-Mukhtār – al-Haskafi (d.1088ah), 2/295, Farfur]
قال: قوله: (ولا بأس) يشير إلى أن وضوء الجنب لهذه الأشياء مستحب كوضوء المحدث
[Raddul Muhtār – Ibn ‘Abideen (d.1252ah), 2/275, Farfur]
زچہ خانہ ميں تولد کے وقت اگر کوئی مرد موجود نہ ہو تو عورت کو یے أذان واقامت دينا درست ہے
[Fatāwa Mahmūdiyyah – Mufti Mahmud Hasan Gangohi (d.1417ah), 5/455, Jamia’ Farūqiyyah]
کان ميں عورت اذان دے سکتی ہے کيونکے اس ميں نہ رفع صوت ہے نہ ہی یہ خلاف ستر ہے
[Khayrul Fatāwa – Khair Muhammad Jhalandari (d.1390ah), 2/227, Multān]