Some embryos fall from the womb. Some come out alive. While as regards some, they are destroyed in the womb, after being quickened with life, on account of some other bodies being ready for them.
स्रवन्ति हुंदराद् गर्भा जायमानास्तथा परे। आगमेन तथान्येषां विनाश उपपद्यते॥