Use of bug repellant sprays during the first trimester have been linked to a common penis deformity in male infants. The defect called Hypospadias has become more common- affecting one to two boys in every 500 births- and is where the opening of the penis is in the wrong place - usually back from the tip and on the underside - and it often requires corrective surgery.
....Yet another case of something I wish I knew about 8 months ago!! I spent my first trimester of this pregnancy living in Africa and used bug spray a few times a week when outside during the evenings.
Bug spray link to penis defect
"Researchers quizzed mums of 471 babies with hypospadias, and another 490 randomly selected babies, about their lifestyles and chemical exposures during pregnancy.
They found that use of repellents during the first three months of pregnancy was associated with an 81 per cent increased risk of hypospadias. The most common active ingredient in repellents was N,N-Diethyl-meta-toluamide - otherwise known as DEET. ..."