<prompt> unaweza kugeuza matini haya ya swahilikwa kiingereza?ikiwa mwanao hajaweza kuhimili uzito wake kwenye miguu yake akifika miezi nane ongea na mshauri wako wa afya.  <response>: in case your baby is unable to sit upright without support by the end of nine months, you should consult your doctor. 