Shweta Singh on Instagram: "Difficult transfer does NOT automatically mean lower success. What a difficult embryo transfer? Refers to challenges the doctor had getting the catheter through the cervix and into the uterus to place the embryo. Common reasons include: • Cervical anatomy (tight, curved, or stenotic cervix) • Uterine position (very tilted forward or backward) • Scar tissue (from prior procedures like D&C, C-section, LEEP) • Cervical mucus or spasm • Needing extra instruments (tenaculu