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The relationships of Israeli mothers and fathers with their 38 preterm infants during hospitalization were traced in a short-term longitudinal study. Parent-infant interactions were observed and self-reports of parental feelings and perceptions were assessed twice: at the beginning and end of the nursery period. Mothers engaged in more caregiving, talking, and holding during initial contacts, but the disparity in maternal and paternal interactions decreased with time. Except for caregiving, in which mothers still surpassed fathers, fathers equaled mothers in all other activities at the time of the infants' discharge from the hospital. Fathers consistently surpassed mothers in playing and stimulating. Mothers perceived their infants to be more difficult than did fathers but reported enjoying them more. With time, parents were less disappointed and concerned over the infants' well-being but perceived them as more difficult. The data also demonstrated an association between infant behavioral states, parental feelings and perceptions, and parental behavior.

The relationships of Israeli mothers and fathers with their 38 preterm infants during hospitalization were traced in a short-term longitudinal study. Parent-infant interactions were observed and self-reports of parental feelings and perceptions were assessed twice: at the beginning and end of the nursery period. Mothers engaged in more caregiving, talking, and holding during initial contacts, but the disparity in maternal and paternal interactions decreased with time. Except for caregiving, in which mothers still surpassed fathers, fathers equaled mothers in all other activities at the time of the infants' discharge from the hospital. Fathers consistently surpassed mothers in playing and stimulating. Mothers perceived their infants to be more difficult than did fathers but reported enjoying them more. With time, parents were less disappointed and concerned over the infants' well-being but perceived them as more difficult. The data also demonstrated an association between infant behavioral states, parental feelings and perceptions, and parental behavior.

Chorionic villus sampling (CVS), performed on a woman in the 23rd menstrual week because of bilateral fetal hydronephrosis and suspected intrauterine growth retardation (IUGR), documented trisomy 9 in all cells examined. Chromosomes of amniocytes and fetal blood lymphocytes were normal. The ongoing pregnancy was monitored closely, and at 37 weeks, a phenotypic normal male infant was delivered. Multiple placental biopsies showed 47,XY,+9, while a repeat chromosome analysis of the infant and biopsies from the amniotic membrane were normal (46,XY). This case further emphasizes the association between placental aneuploidy and IUGR. To our knowledge, nonmosaic trisomy 9 in CVS confined to the chorionic villi and later confirmed in the placenta has not been reported previously.