The role of probiotics in restoring the Th1 to Th2 ratio in women experiencing recurrent implantation failure: A double-blind randomized clinical trial

Amin Kamrani, Kimia Motlagh Asghari, Yasamin Zafarani, Fatemeh Rahmanzad, Mohammad Sadegh Soltani‐Zangbar, Elham Badihi, Farshid Afandideh, Negar Sedghi Aminabad, Mohammadbagher Pirouzpanah, Sina Abroon, Tannaz Novinbahador, Shahla Danaii, Javad Ahmadian Heris, Leili Aghebati‐Maleki, Leila Roshangar, Ali Akbar Shekarchi, Tannaz Pourlak, Mohammad Ali Zolfaghari, Mehdi Yousefi