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CRISPR

CRISPR

Genome editing technologies allow scientists to modify an organism’s DNA via the addition, removal, or rearrangement of genetic material at specific genomic locations. These types of techniques could potentially be used to cure genetic disorders such as hemophilia and sickle cell anemia. One popular and widely used DNA-editing research tool that could lead to safe and effective cures for genetic disorders is the CRISPR-Cas9 system. CRISPR-Cas9 stands for Clustered Regularly Interspaced...

In Vitro Fertilization

In Vitro Fertilization

In vitro fertilization (IVF) is a form of assisted reproductive technology where an egg is fertilized with sperm in a controlled laboratory environment before transferring the resulting embryo into the uterus. This process is designed to help individuals and couples experiencing difficulties conceiving.
The IVF process begins with ovarian stimulation, during which reproductive endocrinologists prescribe hormonal medications to stimulate the ovaries to produce multiple eggs instead of the single...

Intrauterine Drug Delivery Systems

Intrauterine Drug Delivery Systems

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...

Reproductive Cloning

Reproductive Cloning

Reproductive cloning is the process of producing a genetically identical copy—a clone—of an entire organism. While clones can be produced by splitting an early embryo—similar to what happens naturally with identical twins—cloning of adult animals is usually done by a process called somatic cell nuclear transfer (SCNT).
Somatic Cell Nuclear Transfer
In SCNT, an egg cell is taken from an animal and its nucleus is removed, creating an enucleated egg. Then a somatic...

Infertility in Females

Infertility in Females

Female infertility is defined as the inability to conceive after a year of regular, unprotected intercourse and affects about 10–15% of couples worldwide. The primary cause of female infertility is ovulatory disorders, which hinder the release of eggs. These disorders can be classified as hypothalamic amenorrhea, polycystic ovarian syndrome (PCOS), premature ovarian failure, and hyperprolactinemic anovulation disorders.
Endometriosis, a condition characterized by abnormal growth of...

Birth Control Methods

Birth Control Methods

Vasectomy is a surgical form of male sterilization that involves severing and sealing the vasa deferentia, preventing sperm from mixing with semen during ejaculation. Because a vasectomy does not impact the testes' ability to produce testosterone, hormone levels, libido, and sexual function generally remain unchanged. While vasectomy is highly effective in preventing pregnancy, with a success rate near 99.85%, rare cases of recanalization (spontaneous reconnection) can occur. Although...

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Related Experiment Video

Updated: Feb 25, 2026

Author Spotlight: Inducing Pseudopregnancy in Female Mice Without the Need for Vasectomized Males Prior to Non-Surgical Embryo Transfer or Artificial Insemination

Author Spotlight: Inducing Pseudopregnancy in Female Mice Without the Need for Vasectomized Males Prior to Non-Surgical Embryo Transfer or Artificial Insemination

Published on: July 7, 2023

Trump's Abortion-Promoting Aid Policy.

Stephen R Latham

The Hastings Center Report

|July 28, 2017

Summary

The Mexico City policy restricts U.S. foreign aid for family planning, prohibiting funds for organizations providing abortions or advocating for liberalization. This policy raises concerns beyond indirect abortion funding.

Area of Science:

Global Health
Public Policy
Reproductive Health

Background:

The Mexico City policy, reinstated and expanded by the Trump administration, imposes significant restrictions on U.S. foreign health aid.
The policy targets family-planning organizations, affecting their ability to provide comprehensive reproductive health services.

Purpose of the Study:

To analyze the multifaceted restrictions imposed by the Mexico City policy on U.S. foreign health aid.
To critically examine the implications of these restrictions on international family-planning initiatives and reproductive rights.

Main Methods:

Policy analysis of the reinstated "Mexico City policy."
Examination of the specific prohibitions and their justifications.
Assessment of the potential impact on non-governmental organizations (NGOs) receiving U.S. aid.

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Last Updated: Feb 25, 2026

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Main Results:

The policy prohibits U.S. funding for organizations performing abortions, even with non-U.S. funds.
It restricts lobbying for abortion law liberalization and limits educational materials on abortion.
Health workers are prohibited from referring patients for legal abortions except in specific circumstances (rape, incest, life endangerment).

Conclusions:

The policy's prohibition on funding organizations that perform abortions relies on an "indirect funding" argument that is not applied in other contexts.
The remaining three prohibitions—lobbying restrictions, educational material limitations, and referral restrictions—are deemed deeply troubling and raise significant ethical and practical concerns.