Infants conceived in the summer months tended to weigh approximately 8 to 9 grams more than other newborns, likely due to seasonal patterns in pregnancy weight gain. While babies conceived in May have a 10% higher rate of prematurity, possibly reflecting the spike in seasonal flu cases during the months of January and February, when the women were nearing full term.

Sources: PNAS, WebMD

Get off Clashtalk and fuck your brains out! Pronto!