What is the duration of the first stage of labor in multigravida? (मल्टीग्रेविडा में प्रसव की प्रथम अवस्था की अवधि कितनी होती है?), At what age does urine start to form in the foetus during intrauterine life?, In which trimester the problem of morning sickness is seen in women during pregnancy?),
Q1. At what age does urine start to form in the foetus during intrauterine life? (इंट्रायूटरिन लाइफ के दौरान भ्रूण