The objective of this retrospective clinical study was to compare pregnancy rates obtained after the use of endoscopic-assisted transcervical catheterization (EIU) or laparotomy (SIU) for insemination of frozen-thawed dog semen. Healthy bitches from various breeds were inseminated with semen from multiple donors processed by different freezing centers. Data from 118 inseminations (78 EIU and 40...

Our objective was to evaluate the effect of a change in treatment protocols, suggested following an inspection visit by the regulatory authority, from single to double inseminations during donor insemination treatment cycles. We therefore conducted a retrospective audit of pregnancy rates in the reproductive medicine clinic of a major teaching hospital. All patients were treated for male factor...

In a prospective, randomized study of insemination with donor semen, intracervical insemination by straw was compared with insemination using a cervical cap with an intracervical reservoir. A total of 91 patients completed 486 treatment cycles. There were no significant differences in age, parity, indication for insemination by donor, or method of cycle monitoring between women who became pregn...

[2] Artificial insemination is a relatively simple medical procedure by which semen obtained by masturbation is deposited by means of a syringe in or near the cervix of the woman's uterus. Artificial insemination is of two basic types: homologous insemination, when the semen is obtained from the husband (AIH); and heterologous insemination, when the semen is obtained from a donor (AID). AIH is ...

The influence of timing of artificial insemination on fertility and hatchability of breeder hens was carried out by inseminating breeder hens at 10:00 hr and 15:00 hr with pooled semen from Shikabrown White breeder cocks for four weeks. Fertile eggs were collected two days after the first insemination and stored at a temperature of 16 C for seven days before incubation. Fertility was higher (P ...

Introduction The number of equine sperm used for artificial insemination (AI) in the mare was largely established by research conducted at Colorado State University in the 1970s [1-3]. The minimum insemination dose of 500 million progressively motile spermatozoa (PMS) established in these studies has been widely used as an industry standard. Clinical observations suggest that this insemination ...

Objective. Determine which factors predict multiple pregnancy in gonadotropin-intrauterine insemination cycles so that cancellation criteria might be developed. Study Design. Retrospective chart review of all patients undergoing gonadotropin-intrauterine insemination over a continuous 36 month period. Results. No factors examined were able to predict the occurrence of multiple pregnancy. Conclu...

OBJECTIVE To compare fecundity rates following intrauterine insemination (IUI) with donor sperm frozen conventionally versus an IUI-ready preparation. DESIGN Both retrospective results and a prospective, randomized study where recipients were assigned to one of two sperm cryopreservation methods in each cycle of intrauterine insemination are reported. SETTING University-based infertility pr...

OBJECTIVE To evaluate the effectiveness of 15 minutes of immobilisation versus immediate mobilisation after intrauterine insemination. DESIGN Randomised controlled trial. Setting One academic teaching hospital and six non-academic teaching hospitals. PARTICIPANTS Women having intrauterine insemination for unexplained, cervical factor, or male subfertility. INTERVENTIONS 15 minutes of immo...

OBJECTIVE To look at the level of compliance with Swedish law whether or not parents intend to tell their child about donor insemination. We also wanted to look at the parents' attitudes towards open-identity sperm donors and at relationships within the family. METHOD All parents who were treated and gave birth to a child through donor insemination from 1997 to 2003 were included in the study...