Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
bayhaqi:15555Abū ʿAbdullāh al-Ḥāfiẓ > Makhlad b. Jaʿfar > Muḥammad b. Jarīr > al-Ḥārith b. Muḥammad > Muḥammad b. Saʿd > Muḥammad b. ʿUmar > al-Wāqidī > Mālik b. Anas

[Machine] I heard Malik ibn Anas saying that pregnancy can sometimes last for years, and I know of someone whose mother carried him for more than two years, meaning himself.  

البيهقي:١٥٥٥٥أَخْبَرَنَا أَبُو عَبْدِ اللهِ الْحَافِظُ أنا مَخْلَدُ بْنُ جَعْفَرٍ نا مُحَمَّدُ بْنُ جَرِيرٍ نا الْحَارِثُ بْنُ مُحَمَّدٍ نا مُحَمَّدُ بْنُ سَعْدٍ نا مُحَمَّدُ بْنُ عُمَرَ هُوَ الْوَاقِدِيُّ قَالَ

سَمِعْتُ مَالِكَ بْنَ أَنَسٍ يَقُولُ قَدْ يَكُونُ الْحَمْلُ سِنِينَ وَأَعْرِفُ مَنْ حَمَلَتْ بِهِ أُمُّهُ أَكْثَرَ مِنْ سَنَتَيْنِ يَعْنِي نَفْسَهُ