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To describe older parents’ attitudes and opinions about the costs and insurance coverage for IVF.Qualitative interview study.Two Northern California IVF practices.Sixty women and 35 male partners in which the woman had delivered her first child after the age of 40 years using IVF.Two in-depth interviews over 3 months.Thematic analysis of interview transcripts.We found that although the costs of IVF...
Based on a study of charge (C), parity (P) and time reversal (T) symmetries we show how a CP violating network of defects in the early Universe may bias baryon number production. A static network, even though it violates CP, respects CPT and hence does not bias baryon number production. On the other hand, the ordering dynamics of defects in a network, governed by the interplay of string tension,...
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