The staff pattern of specialists at Hemen Maternal & Child Health Care Hospital may vary depending on the specific needs and services provided by the hospital. However, a typical staff pattern of specialists at a maternal and child health care hospital may include:

1. Obstetricians/Gynecologists: These specialists provide care for pregnant women, including prenatal care, delivery, and postpartum care. They also diagnose and treat conditions related to the female reproductive system.

2. Pediatricians: These specialists provide medical care for infants, children, and adolescents. They diagnose and treat a wide range of pediatric conditions and provide preventive care, vaccinations, and developmental assessments.

3. Neonatologists: These specialists focus on the care of newborn infants, particularly those who are premature or have medical conditions that require specialized care.

4. Pediatric Surgeons: These specialists perform surgical procedures on infants, children, and adolescents. They may treat conditions such as congenital anomalies, trauma, and tumors.

5. Pediatric Cardiologists: These specialists diagnose and treat heart conditions in children, including congenital heart defects and acquired heart diseases.

6. Pediatric Endocrinologists: These specialists diagnose and treat hormonal disorders in children, such as diabetes, growth disorders, and thyroid problems.

7. Pediatric Neurologists: These specialists diagnose and treat neurological conditions in children, including epilepsy, developmental delays, and movement disorders.

8. Pediatric Pulmonologists: These specialists diagnose and treat respiratory conditions in children, such as asthma, cystic fibrosis, and sleep disorders.

9. Pediatric Nephrologists: These specialists diagnose and treat kidney disorders in children, including kidney failure, urinary tract infections, and kidney stones.

10. Pediatric Hematologists/Oncologists: These specialists diagnose and treat blood disorders and cancers in children, such as leukemia, lymphoma, and sickle cell disease.

11. Pediatric Allergists/Immunologists: These specialists diagnose and treat allergies and immune system disorders in children, such as asthma, food allergies, and immune deficiencies.

12. Pediatric Rheumatologists: These specialists diagnose and treat autoimmune and inflammatory disorders in children, such as juvenile arthritis and lupus.

This is just a general overview of the possible specialists that may be part of the staff pattern at Hemen Maternal & Child Health Care Hospital. The actual staff pattern may vary depending on the specific services and needs of the hospital and the community it serves.