A gene mutation is a permanent alteration in the DNA sequence that makes up a gene, such that the sequence differs from what is found in most people.Mutations range in size; they can affect anywhere from a single DNA building block (base pair) to a large segment of a chromosome that includes multiple genes. gene mutation is a permanent alteration in the DNA sequence that makes up a gene, such that the sequence differs from what is found in most people.
True labor contractions last more than 30 seconds at the onset and get progressively longer, up to 60 seconds, whereas false labor contractions vary in length and intensity.
Contractions at this stage of labor can last anywhere from 10 to 40 seconds, with 3-20 minutes in between. They may hurt, but you can usually still walk and talk during early labor contractions. How Long: Latent labor can last anywhere from a few hours to several days.