The Effect of Vitamin D Supplementation Among Overweight Jordanian Women With Polycystic Ovary Syndrome (PCOS)

Inclusion Criteria: * Female gender. * Aged between 18 and 49 years old. * Ethnic group (Caucasian, Middle-eastern). * Overweight (BMI 25-30 kg\^m2). * Diagnosed with Polycystic ovary syndrome according to Rotterdam criteria (Rotterdam SHRE-ASRM Sponsored Polycystic ovary syndrome consensus workshop group, 2004). * Diagnosed with hypovitaminosis D (serum 25(OH)D level \< 20 ng/mL). * Inadequate dietary intake of vitamin D (\<600 IU/day or \<15μg/day). * Physical examination being assessed and accepted by the attending physician. * Systolic blood pressure within the normal range (90-140 mmHg). * Diastolic blood pressure within the normal range (60-90 mmHg). * Heart rate within the normal range (60-100 BPM). * Oral body temperature within the normal range (35.9 - 37.6 Cᵒ). * Normal complete blood count , Liver Function enzymes test , Aspartate Transaminase (AST) , Alanine Transaminase (ALT) and Kidney function tests , Blood Urea Nitrogen (BUN) and Serum Creatinine (SrCr). * Participant is willing and able to give informed consent for participation in the study. * Able and willing to comply with all study requirements. Exclusion Criteria: * Female participants who are pregnant, lactating or planning pregnancy during the course of the study. * Ethnic group: non Caucasian. * Females aged \<18 or \>49 years old. * Underweight, normal body weight ,Body Mass Index (BMI) \< 25 kg\^m2 * Obese or morbidly obese (BMI \> 30 kg/m2) * Diagnosis with type 1 or type 2 diabetes mellitus, hy…