Practical guide for lesbian couples deciding who will carry their baby. Medical factors, emotional considerations, and how to make this important decision together.
Who Carries the Baby? A Guide for Lesbian Couples Deciding
One of the first decisions lesbian couples face when planning a family is: who will carry? It's a deeply personal choice with no right answer—only the right answer for you. Here's a framework to help you decide.
Key Takeaways
- Multiple options: Standard IVF/IUI (one partner), reciprocal IVF/ROPA (both partners involved), or trying with both partners
- Age matters differently: Egg quality declines faster than carrying ability, so a 42-year-old may carry well but struggle to produce quality eggs
- Medical testing helps: Both partners should have fertility assessments including AMH, follicle count, and uterine evaluation
- ROPA in Portugal: Legal for married lesbian couples, allowing one partner to provide eggs while the other carries
- No wrong answer: Whoever carries, whoever provides eggs, you will both be this child's mothers
The Options
Option 1: One Partner Carries (Standard IVF/IUI)
One partner provides eggs and carries the pregnancy.
Process: IUI or IVF with donor sperm
Both biological connection: Only the gestational carrier
Option 2: Reciprocal IVF (ROPA)
One partner provides eggs, the other carries the pregnancy.
Process: IVF with egg retrieval from one partner, embryo transfer to the other
Both biological connection: Yes—genetic mother and gestational mother
Option 3: Both Partners Try
Try with one partner first; if unsuccessful, switch to the other.
Process: Multiple treatment rounds with different carriers
Consideration: Adds time and cost
Medical Factors to Consider
Fertility Assessment
Both partners should have basic fertility testing:
| Test | What It Reveals |
|---|---|
| AMH (Anti-MĂĽllerian Hormone) | Ovarian reserve |
| Antral Follicle Count | Available eggs |
| FSH/LH | Hormone balance |
| Uterine assessment | Ability to carry |
If one partner has clearly better fertility indicators, that may influence the decision.
Age Considerations
| Age | Egg Quality | Carrying Ability |
|---|---|---|
| Under 35 | Optimal | Usually good |
| 35-37 | Good | Usually good |
| 38-40 | Declining | Usually still good |
| Over 40 | Significantly reduced | Usually still possible |
Key insight: Egg quality declines faster than carrying ability. A 42-year-old can often carry well but may struggle to produce quality eggs.
Practical implication: If ages differ significantly, the younger partner's eggs may be preferred regardless of who carries.
Health Factors
Conditions affecting carrying:
- Uterine abnormalities
- History of pregnancy complications
- Certain chronic conditions
- Medications incompatible with pregnancy
Conditions affecting egg retrieval:
- Low ovarian reserve
- PCOS
- Endometriosis
- Previous ovarian surgery
Discuss with your doctor: Both partners should have medical evaluations before deciding.
Emotional and Personal Factors
Desire to Be Pregnant
| Question | Consider |
|---|---|
| Do you want to experience pregnancy? | Physical connection to baby |
| How do you feel about body changes? | Weight, stretch marks, etc. |
| Is carrying important to your identity? | Some people feel strongly |
| Are you comfortable with medical procedures? | Retrieval vs. transfer |
Some people deeply want to carry; others are indifferent. Neither is wrong.
Desire for Genetic Connection
| Question | Consider |
|---|---|
| How important is genetic connection to you? | Some care deeply; others don't |
| Would you feel differently parenting a child not genetically yours? | Be honest |
| Does your family care about genetics? | May or may not matter to you |
Important: Genetic connection doesn't determine who's "more" the parent. Both parents are equally parents.
Career and Life Circumstances
| Factor | Consideration |
|---|---|
| Job demands | Pregnancy during demanding period? |
| Career timing | Maternity leave implications |
| Physical job requirements | Pregnancy may limit some work |
| Travel requirements | Pregnancy restricts flying later |
Practical but valid: Whose career is more flexible for pregnancy?
The Reciprocal IVF (ROPA) Option
Why Couples Choose ROPA
| Reason | Explanation |
|---|---|
| Shared biological connection | Both contribute biologically |
| One has better eggs, one better uterus | Medical optimization |
| Both want to participate physically | Meaningful to both |
| Equalizes the experience | Neither is "more" the mother |
ROPA Process
- Partner A undergoes ovarian stimulation
- Partner A has egg retrieval
- Eggs fertilized with donor sperm
- Embryo(s) transferred to Partner B
- Partner B carries pregnancy
ROPA Considerations
Pros:
- Both partners have biological role
- Can optimize for best eggs/best uterus
- Deeply meaningful for many couples
Cons:
- More expensive than standard IVF
- More medical procedures (both partners involved)
- Requires legal clarity (varies by country)
In Portugal: ROPA is legal and available for married lesbian couples.
How to Have the Conversation
Before You Talk
Each partner should reflect privately on:
- How important is carrying to me?
- How important is genetic connection to me?
- What are my fears about each option?
- Am I flexible or do I have strong preferences?
During the Conversation
Start with feelings, not logistics:
- "I've been thinking about who carries, and I feel..."
- "What does carrying mean to you?"
- "How would you feel if you provided eggs but didn't carry?"
Listen without judgment. This is vulnerable territory.
Avoid:
- Assuming your partner feels the same
- Treating it as a negotiation to "win"
- Making decisions based on what's "fair" if it doesn't align with feelings
If You Disagree
Possible approaches:
- Revisit after fertility testing (medical factors may clarify)
- Discuss ROPA if both want involvement
- Talk with a fertility counselor
- Take time—this isn't a decision to rush
Common Scenarios and Approaches
Scenario 1: One Partner Strongly Wants to Carry
Approach: If one partner has a strong desire and the other is indifferent, honor the strong desire (assuming medical factors allow).
Scenario 2: Both Want to Carry
Approach: Consider ROPA (one provides eggs, one carries). Or plan for each to carry a different child in the future.
Scenario 3: Neither Wants to Carry
Approach: Discuss whether biological children are right for you. Explore other family-building options. Consider counseling to explore feelings.
Scenario 4: Medical Factors Make It Clear
Approach: If one partner has significantly better fertility or ability to carry, that may simplify the decision. But ensure the other partner's feelings are honored.
Scenario 5: Significant Age Gap
Approach: Eggs from the younger partner often make medical sense, regardless of who carries. Discuss feelings about this openly.
Legal Considerations
In Portugal
- Both married partners are legal parents from birth
- ROPA is legally recognized
- Birth certificate lists both mothers
- No adoption required for non-carrying partner
In Your Home Country
UK: Both married partners are legal parents France: Laws recently updated for same-sex parents Other countries: Laws vary—research your specific situation
Questions to Ask Your Clinic
- Based on our tests, what does the medical picture suggest?
- Do you recommend one of us over the other for eggs/carrying?
- What's your experience with ROPA?
- How do costs differ between options?
- What's the timeline for each approach?
Frequently Asked Questions
What if I'm not genetically related to the baby—will I bond?
Yes. Adoptive parents, egg donation recipients, and gestational carriers all bond deeply. Biology isn't required for love.
Can we both carry—one baby each?
Yes, many couples do this. Each partner carries a pregnancy (same or different donor sperm). This can feel equalizing.
Should the younger partner always provide eggs?
Not necessarily. Age matters, but so do individual fertility and personal feelings. Test both partners and discuss.
What if our families pressure us about genetics?
Your family-building decisions are yours. Extended family opinions shouldn't override what's right for your relationship.
Is ROPA more expensive?
Yes, typically €1,000-2,000 more than standard IVF because both partners undergo procedures.
A Framework for Deciding
Step 1: Both Get Tested
Have fertility evaluations to understand the medical picture.
Step 2: Individual Reflection
Each partner reflects on desires, fears, and priorities.
Step 3: Share and Listen
Discuss feelings openly without trying to "solve" immediately.
Step 4: Consider Medical Input
Factor in what your clinic recommends based on test results.
Step 5: Decide Together
Make a decision you both feel good about—or as good as possible.
Step 6: Revisit as Needed
Plans can change. Stay open to adjusting if circumstances shift.
There's No Wrong Answer
Whoever carries, whoever provides eggs—you will both be this child's mothers. The love, care, and family you build matters far more than the biological details.
Book a consultation to discuss your options for starting your family in Portugal.
Nestiva supports lesbian couples through every aspect of their fertility journey, including these important decisions.
Written by
Nestiva Team
Helping families navigate their fertility journey in Porto with compassion, expertise, and personalized care.