Certain medical conditions can cause complications in pregnancy. These are listed below:

• Anemia - The level of hemoglobin should remain within the range during the entire pregnancy period. Less hemoglobin indicates fewer counts of healthy red blood cells that are responsible for carrying oxygen to your tissues and your baby. Anemia may lead to premature birth, low birth baby weight, and other postpartum issues.
• Hypothyroidism - It is an autoimmune disease that can affect the thyroid in a pregnant woman and pose a risk to the pregnancy. The thyroid plays an important role in healthy brain development. During hypothyroidism, the baby remains deprived of the maternal thyroid hormone, which may develop serious and a variety of congenital disabilities.
• Pelvic girdle pain disorder - When there is instability or limitation in the movement in any of the three pelvic joints, it leads to pelvic girdle disorder. It can occur peri or postpartum. Although most of the time, PGP resolves a few weeks after the delivery, in some cases, it may last forever that restrict the patient from performing weight-bearing activities.
• Obesity - Obesity is one of the reasons for poor pregnancy outcomes. The chances of developing diabetes during pregnancy are relatively high among obese women. Moreover, it also causes the fetus to become larger than normal, creating difficulty in delivery. The chances of structural defects with the baby’s heart also increase.
• Infection - Pregnancy makes a woman more susceptible to infections. Sometimes a mild infection may lead to serious illness. While some infections may pose a danger to the mother, some may transmit to the baby through the placenta or during birth and pose a serious risk. Influenza, hepatitis E, herpes simplex, malaria are some common infections that can affect the pregnant woman.
• Sexually transmitted diseases (STDs) - It is very important to practice safe sex when you are pregnant. Like any other infection, diseases like Chlamydia, gonorrhea, syphilis, and trichomoniasis that are sexually transmitted and occur due to viruses or bacteria can infect the pregnant woman and get transfer to the growing fetus, posing a great risk to its life.

These are some common medical conditions that may lead to a high-risk pregnancy. There are many other condtions like cardiac diseases, asthma, seizures which require It optimization of care, prompt treatment, and specialized care under the guidance of experienced gynecologist in close association with specific medical specialist. Effective treatment and care help in overcoming the complications and achieving smooth delivery.