How long does it take to detect anal atresia in a newborn?

Anal atresia in newborns can usually be discovered within a few hours to a few days after birth, because this congenital malformation is accompanied by obvious symptoms such as inability to defecate. Especially if normal meconium (black-green meconium) is not discharged after delivery, you should be highly vigilant and seek medical attention as soon as possible.

Anal atresia is caused by abnormal anorectal separation during embryonic development. Its causes may involve genetic factors, maternal exposure to harmful chemicals or infections during pregnancy, and abnormal fetal growth environment. The specific manifestation is the absence of the anal or rectal opening of the newborn, or only a closed or abnormally small opening. In severe cases, it may be accompanied by malformations of the urinary system or other organs. Detection usually relies on a physical examination by an obstetrician, and the diagnosis is confirmed by observing abnormal anal location, the lack of reflex response to external stimulation of the anus, and ultrasound examination.

For confirmed newborns, treatment mainly relies on surgery. Depending on the type of atresia, different plans may be adopted: 1) Infants with mild anal membrane atresia can undergo simple anal incision, which has low risk and fast recovery; 2) Children with complex anorectal atresia usually need staged surgery, including fistula surgery, rectal perineal anastomosis and subsequent anoplasty, in order to restore normal defecation function; 3) Those with other deformities require comprehensive consultation and combined treatment. At the same time, postoperative care is extremely important. Parents need to strictly follow the doctor's instructions to frequently clean the wound, prevent infection and patiently assist in exercising anal function.

Parents should pay attention to the critical observation period after the birth of the newborn and monitor whether their bowel movements and behaviors are abnormal. If any problems are found, it is recommended to contact a professional pediatrician as soon as possible to avoid delaying the best treatment time. For confirmed infants, although anal atresia may increase the difficulty of care, modern medical technology can help most patients restore a good quality of life. Parents who maintain a positive attitude during treatment and rehabilitation and provide emotional support to their children will help their children grow up healthily.