Mizumoto H, Hohman WR, Moyer DL. Effects of intrauterine devices on nuclear deoxyribonucleic acid metabolism in rabbit blastocysts: an autoradiographic study.
Fertil Steril 1976;
27:449-58. [PMID:
1269809 DOI:
10.1016/s0015-0282(16)41784-x]
[Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
A metabolic parameter, DNA synthesis, was measured in rabbit blastocysts exposed to Silastic intrauterine devices (IUDs) and compared with those without IUD exposure. Autoradiographic detection of 3H-thymidine uptake showed that the IUD-exposed blastocysts contained fewer labeled cells than their IUD-free equivalents. The depressed DNA synthesis may be caused by either a block in the cell cycle or a block in DNA synthesis itself. Either way, the result could be consistent with the observation that embryo deaths occur at all growth stages, preimplantation, during implantation, and postimplantation.
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