the sisters are pregnant and expecting their second child .
the sisters were arraigned on three counts of felony child abuse and neglect and four counts of misdemeanor child abuse and neglect , stemming from an investigation by livermore police into their care of infants at universal preschool llc , at 1040 florence road .
nazila and lida sharaf entered their pleas monday in alameda county superior court .
they are each charged with three counts of felony child abuse and neglect and four counts of misdemeanor child abuse and neglect .
pleasanton -- two sisters facing charges they endangered infants ' lives by binding them too tightly in swaddling blankets at a livermore preschool are both expecting babies of their own , family members said thursday after a court hearing .
ferdinand benitez , who is the father of a 22 - month - old son with lida sharaf , confirmed two sisters in northern california facing charges that they endangered infants ' lives by binding them too tightly in swaddling blankets have pleaded not guilty .
sisters nazila sharaf , 35 , and lida sharaf , 33 , appeared in a pleasanton courtroom thursday afternoon , a day after they were arrested at their homes in dublin and mountain house on felony child abuse charges .
authorities say the women wrapped seven babies up like boa constrictors at their livermore preschool , impairing the children 's ability to move and breathe .
they were arrested last week at their homes wednesday in dublin and mountain house after being accused of wrapping infants in swaddling clothes -- a tactic used to lull newborns to sleep , the news source reported -- so tightly that the babies had " trouble breathing . "