What does it mean when we say that DNA replication is semiconservative

In summary, DNA replication is the process of making copies of DNA. DNA replicates by semi-conservative replication, which means that one strand of the parent double helix is conserved in each new DNA molecule.

Act it have 3 type. Conservative semiconservative and dispersive. Conservative wil produce two new strand. Semi conservative will produce one parent strand and one new strand whereas dipersive

consist one strand of the mixture of new and old strand