From the abstract:
High Levels of Both n-3 and n-6 Long-Chain Polyunsaturated Fatty Acids in Cord Serum Phospholipids Predict Allergy Development (PLOS One)
A news article here (Swedish):
Omega-3 kan öka allergirisk hos barn (SVT, Swedish)
A high proportion of long-chain PUFAs among cord serum phospholipids may predispose to allergy development. The mechanism is unknown, but may involve dampening of the physiologic immune activation in infancy needed for proper maturation of the infant's immune system.
High Levels of Both n-3 and n-6 Long-Chain Polyunsaturated Fatty Acids in Cord Serum Phospholipids Predict Allergy Development (PLOS One)
A news article here (Swedish):
Omega-3 kan öka allergirisk hos barn (SVT, Swedish)