From: Phosphodiesterase 8B gene polymorphism in women with recurrent miscarriage: A retrospective case control study
Controls (n=391)
Recurrent miscarriage (cases, n=188)
All
Hypothyroidism
A/A
69 (17.6%)
41 (21.8%)
3 (18.8%)
A/G
193 (49.4%)
73 (38.8%)
4 (25.0%)
G/G
129 (33.0%)
74 (39.4%)
9 (56.2%)