Intrauterine Insemination
Intrauterine Insemination - Related Videos
10:00
Harvesting Sperm and Artificial Insemination of Mice
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Cited by 17 •
2007
This protocol demonstrates methods for extracting sperm from the testes of males and then inseminating female mice. This procedure is useful when precise time is needed in developmental studies as well as transgenic work.
07:03
Intrauterine Telemetry to Measure Mouse Contractile Pressure In Vivo
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Cited by 16 •
2015
This manuscript provides a protocol for implanting telemeters in the mouse for the purpose of measuring intrauterine pressures during pregnancy.
11:44
Establishment of a Rat Model for Intrauterine Adhesions via Dual Injury: Curettage and Infection
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Cited by 1 •
2025
Intrauterine adhesions (IUAs), the most common pathological consequence of endometrial injury, severely impair reproductive function. Trauma and infection are widely recognized as key risk factors for IUA development. We have successfully established a reproducible rat model of IUAs by combining two critical injury methods: mechanical curettage and infectious induction with lipopolysaccharide.
01:21
Intrauterine Drug Delivery Systems
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2026
Controlled-release systems for intravaginal and intrauterine drug delivery have been developed primarily for the administration of contraceptive steroid hormones. These delivery routes circumvent first-pass hepatic metabolism, thereby enhancing bioavailability and allowing for reduced systemic dosages compared to oral administration. Such approaches contribute to improved therapeutic efficacy and patient compliance, particularly in long-term contraceptive regimens.Intravaginal Drug Delivery...
14:19
Fetal Echocardiography and Pulsed-wave Doppler Ultrasound in a Rabbit Model of Intrauterine Growth Restriction
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Cited by 11 •
2013
We describe examination of fetal cardiac function with contemporary functional fetal echocardiography and fetoplacental Doppler ultrasound using the VisualSonics VEVO 2100 microultrasound in a surgically induced model of intrauterine fetal growth restriction in a rabbit.
FAQs
Timing the procedure around ovulation places prepared sperm in the reproductive tract when an egg is likely to be available for fertilization. This coordination matters because IUI does not replace ovulation; it supports the meeting of sperm and egg by shortening the distance sperm must travel toward the fallopian tubes. The intended outcome is a greater opportunity for fertilization.
Semen processing concentrates motile sperm before the sample is introduced into the uterus. Motility refers to the ability of sperm to move, which is important because sperm must continue traveling through the reproductive tract toward the fallopian tubes. By preparing the sample rather than using it unchanged, the procedure focuses delivery on sperm with movement relevant to fertilization.
The cervix can limit how effectively sperm move onward through the reproductive tract. IUI places the prepared sample beyond this route of passage, reducing the distance sperm must travel before reaching the fallopian tubes. This mechanism is particularly relevant when a factor affecting sperm movement through the cervix contributes to difficulty conceiving.
IUI can use sperm from a partner or from a donor, while the central biological steps remain the same: the sample is collected, prepared to concentrate motile sperm, and introduced near ovulation. This flexibility allows the technique to fit different fertility-care situations without changing its fundamental purpose of supporting sperm transport toward the site where fertilization may occur.
The process begins with planning around ovulation and collecting a semen sample. The sample is then processed to concentrate motile sperm. A thin catheter introduces the prepared sperm into the uterus. These steps connect laboratory preparation with a clinical delivery method, creating a coordinated workflow designed to reduce the distance sperm must travel during the fertile period.
The approach may support treatment when infertility is unexplained, when ovulatory difficulties affect conception, or when factors limit sperm movement through the cervix. Its relevance depends on the biological problem being addressed: IUI improves sperm placement and transport, but it is used within fertility care rather than as a universal solution for every cause of difficulty conceiving.
Processing provides a way to concentrate the motile portion of a semen sample before insemination. This links a measurable sperm characteristic, movement, with the treatment’s biological goal of reaching the fallopian tubes. In a research or clinical context, the step helps explain how sample preparation is intended to improve the conditions for sperm transport and possible fertilization.
IUI illustrates how reproductive biology can guide a clinical intervention. Ovulation timing, sperm motility, cervical passage, and transport toward the fallopian tubes are connected in one procedure. Studying these relationships shows how knowledge of gamete movement and reproductive anatomy can be applied to fertility care while preserving the natural goal of sperm meeting an egg.