**Question:** Contraindications to pregnancy are following except:

A. Renal impairment
B. Pregnancy itself
C. Advanced age
D. Severe liver disease

**Core Concept:**
Contraindications to pregnancy are conditions or factors that make a potential pregnancy dangerous for the mother or fetus, and should be considered when advising a woman about her reproductive choices. In this case, we are focusing on medical conditions that are not directly related to pregnancy.

**Why the Correct Answer is Right:**
The correct answer (B) is pregnancy itself, as pregnancy is a state and not a medical condition. During pregnancy, the woman's body undergoes significant physiological changes, making her susceptible to certain complications. However, the primary concern is for the mother, not the fetus.

**Why Each Wrong Option is Incorrect:**
A. Renal impairment (CKD or acute kidney injury) is a contraindication to pregnancy because it increases the risk of complications, such as preeclampsia, eclampsia, and preterm labor. Renal impairment also affects the clearance of medications, leading to potential toxicity.

C. Advanced age (over 35 years or 37 years) is not a direct contraindication to pregnancy but increases the risk of specific complications. Advanced maternal age is linked to an increased risk of preterm labor, preterm premature rupture of membranes, stillbirth, and congenital anomalies.

D. Severe liver disease is a contraindication to pregnancy due to the increased risk of complications, such as cholestasis, spontaneous liver rupture, and fetal complications like intrahepatic cholestasis of pregnancy. Additionally, severe liver disease affects drug clearance, leading to potential toxicity in both the mother and fetus.

**Clinical Pearl:**
It is essential for healthcare providers to discuss and address potential contraindications during preconception counseling, ensuring that women understand the risks and benefits of pregnancy. This helps them make informed decisions about their reproductive choices and allows for appropriate surveillance and intervention during pregnancy.