%0 Journal Article %T Association of Body Mass Index with Hypothalamus-Pituitary-Ovarian Axis Hormones in Infertile Women in the Niger Delta Region, Nigeria %A Onitsha Enebrayi Nelson %A Ezeiruaku Ferdinand Chukwuma %J Open Journal of Obstetrics and Gynecology %P 671-685 %@ 2160-8806 %D 2022 %I Scientific Research Publishing %R 10.4236/ojog.2022.128060 %X Background: Infertility is well-known global health problem that has significant impacts on an individual, families and communities. Many modifiable lifestyle risk factors increase the risk of women to several reproductive disorders. Aim: This study established the relationship between obesity and Hypothalamic-Pituitary-Ovarian (HPO) axis hormones in infertile women in the Niger Delta Region, Nigeria. Methodology: Six hundred and twenty-six (626) women aged 18 - 40 years comprising of 513 obese infertile women and 113 non obese women who served as control were recruited for the study. Anthropometric measurements were taken and Body Mass Index was calculated. A non-fasting venous blood sample was collected from the women and analyzed for serum Estrogen, Luteinizing Hormone (LH), Follicle Stimulating Hormone (FSH), Progesterone, Inhibin B, and Prolactin using Enzyme linked immunosorbent assay method. Results