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Monochorionic monoamniotic (MM) twin pregnancy carries a high risk of intrauterine fetal death (IUFD). Single IUFD in an MM twin pregnancy prior to 22 weeks of gestation has been reported to be strongly correlated with double twin demise. To our knowledge, there are no case reports on the natural course of a surviving co-twin in an MM twin pregnancy resulting in live birth after a single IUFD prior to 22 weeks of gestation. Here, we report a case of a surviving co-twin, after a single IUFD at 21 weeks of gestation in a MM twin pregnancy, with an antenatal diagnosis of renal hypoplasia and severe neurological damage leading to porencephaly, and live birth at 36 weeks of gestation. [ABSTRACT FROM AUTHOR]

Dilated cardiomyopathy 1X (CMD1X) is characterized by dilated cardiomyopathy (DCM) with mildest limb-girdle muscle symptoms and normal intelligence. Compound heterozygous mutation in fukutin gene is known as its genetic cause. Here, we report a pregnancy case complicated with CMD1X.A25-year-old primiparous woman,who had been diagnosed asCMD1X at the age of 19, was referred to our hospital at 6 weeks of gestation. In early pregnancy, the evaluation of her cardiac function showed ejection fraction 47% and NYHA class II. Worsening of cardiac function was observed from 30 weeks, manifesting reduced cardiac load with left ventricular dilatation and in-hospital bed rest was necessary. Elective cesarean section was performed at 35 weeks to prevent deterioration of cardiac function. The parameters of her cardiac function returned to the pre-pregnancy status in a month after delivery, whereas she realized persistent worsening of muscular weakness at postpartum. [ABSTRACT FROM AUTHOR]