We can see that a shorter the interval between renovation and moving-in was associated with a greater risk that the offspring will suffer from CHD. Mothers who moved into a month-old redecorated house during the first trimester or 3 months before conception seemed to have an increased risk of giving birth to a baby with CHD.
This effect, they say, means that the diet of men may be as important as that of women in the months before conception.
A new study reports that mothers of children with autism and autism spectrum disorders were significantly less likely than mothers of children without autism to have taken prenatal vitamins three months before conception and in the first month of pregnancy.
To estimate the association between prenatal exposure to maternal stress and reproductive disorders in Danish men, where prenatal stress exposure was defined as the mother's loss of a close relative during pregnancy or in the 12 months before conception.
Morning blood and urine samples were obtained for laboratory tests: within 3 months before conception (baseline); between 22 and 24 gestational weeks; after delivery, and 6 and 12 months postpartum.
The date of conception was estimated by the date of birth minus gestational age, and the prenatal exposure period included from 12 months before conception until the birth of the child.
§ During the six months before conception.
† † During the three months before conception.
That number was nearly identical to the intake reported during the 3 months before conception.
The six months before conception may be a susceptible time window, especially for boys.
The period of six months before conception may be a susceptible time window, especially for boys.
