More miscarriages involve male fetuses. This means that, statistically, more miscarriages are of male fetuses than female fetuses.
Why Are More Miscarriages Male?
While the exact reasons are still being researched, several factors contribute to the higher rate of male miscarriages:
- Chromosomal Differences: Males have an XY chromosome pairing, while females have XX. This difference can make male embryos more vulnerable to genetic issues that lead to miscarriage.
- Developmental Vulnerabilities: The development of male fetuses might be inherently more sensitive to certain environmental or biological stressors during early pregnancy.
Key Findings Summary
Aspect | Result |
---|---|
Miscarriage Rate | Higher for male fetuses |
Stillbirth Rate | Higher for males |
Post-Birth Health Issues | More common in male infants |
These factors suggest a pattern where male fetuses are more vulnerable throughout pregnancy and early infancy according to the provided reference.