Question Summary:
Can an IUD break one’s fast?

Question Detail:

Can IUD be placed while fasting? Or can it break the fast.

Answer :

In the Name of Allah, the Most Gracious, the Most Merciful.
As-salāmu ‘alaykumwa-rahmatullāhiwa-barakātuh.
There are various different types of Intra-Uterine Devices (IUD) such as Hormonal IUD, Copper IUD, Diaphragms, etc.[1] Kindly clarify which specific IUD you are referring to in order for us to issue a ruling.
Mufti Ismail Desai,                                        
Darul Iftaa
Durban, South Africa
Checked and Approved by,
Mufti Ebrahim Desai.